2x shields (30 mm, suitable for mothers with nipple diameter AFTER pumping 28-29 mm) , Compatible with Medela pumps (New Medela Pump in Style with MaxFlow, Pump in style, Lactina, Symphony, Swing, Mini Electric FreeStyle, Swing Maxi, Sonata, Freestyle Flex and Harmony). NOTE: connectors are not included in this listing. Not original Medela pump parts | US FDA registered medical device (No. D192499); Products are inspected by US FDA. Complies with US FDA and EUstandards for containers that contact food and class II medical device; Test reports are online for your reference; | Retail poly-bag packed; sealed by the manufacturer - Maymom, not original Medela parts | Made of Bisphenol-A (BPA)/DEHP-free material and all components are steam safe for sterilization. | Available in various sizes (13, 15, 17, 19, 21, 24, 25, 26, 27, 29, 30, 32mm) for purchase.

2x shields (32 mm, suitable for mothers with nipple diameter AFTER pumping 30-31 mm) , Compatible with Medela pumps (New Medela Pump in Style with MaxFlow, Pump in style, Lactina, Symphony, Swing, Mini Electric FreeStyle, Swing Maxi, Sonata, Freestyle Flex and Harmony). NOTE: connectors are not included in this listing. Not original Medela pump parts | US FDA registered medical device (No. D192499); Products are inspected by US FDA. Complies with US FDA and EUstandards for containers that contact food and class II medical device; Test reports are online for your reference; | Retail poly-bag packed; sealed by the manufacturer - Maymom, not original Medela parts | Made of Bisphenol-A (BPA)/DEHP-free material and all components are steam safe for sterilization. | Available in various sizes (13, 15, 17, 19, 21, 24, 25, 26, 27, 29, 30, 32mm) for purchase.

2x Two-Piece Breastshield (15 mm, suitable for mothers with nipple_diameter after pumping 13-14 mm) , Compatible with all Medela pumps (New Medela Pump in Style with MaxFlow, Pump in style, Lactina, Symphony, Swing, Mini Electric, FreeStyle, Swing Maxi, Sonata and Harmony, freestyle flex | US FDA registered medical device (No. D192499); Products are inspected by US FDA. Complies with US FDA and EUstandards for containers that contact food and class II medical device; Test reports are online for your reference; | Retail poly-bag packed; sealed by the manufacturer - Maymom, not original Medela parts | Made of Bisphenol-A (BPA)/DEHP-free material and all components are steam safe for sterilization. | Available in various sizes (10, 12, 13, 15, 17, 19, 21, 22, 24, 25, 26, 27, 29, 30, 32, 34, 36mm) for purchase.

2x Two-Piece Breastshield (17 mm, suitable for mothers with nipple_diameter after pumping 15-16 mm) , Compatible with all Medela pumps (New Medela Pump in Style with MaxFlow, Pump in style, Lactina, Symphony, Swing, Mini Electric, FreeStyle, Swing Maxi, Sonata and Harmony, freestyle flex | US FDA registered medical device (No. D192499); Products are inspected by US FDA. Complies with US FDA and EUstandards for containers that contact food and class II medical device; Test reports are online for your reference; | Retail poly-bag packed; sealed by the manufacturer - Maymom, not original Medela parts | Made of Bisphenol-A (BPA)/DEHP-free material and all components are steam safe for sterilization. | Available in various sizes (10, 12, 13, 15, 17, 19, 21, 22, 24, 25, 26, 27, 29, 30, 32, 34, 36mm) for purchase.

2x Two-Piece Breastshield (21 mm, suitable for mothers with nipple_diameter after pumping 19-20 mm) , Compatible with all Medela pumps (New Medela Pump in Style with MaxFlow, Pump in style, Lactina, Symphony, Swing, Mini Electric, FreeStyle, Swing Maxi, Sonata and Harmony, freestyle flex | US FDA registered medical device (No. D192499); Products are inspected by US FDA. Complies with US FDA and EUstandards for containers that contact food and class II medical device; Test reports are online for your reference; | Retail poly-bag packed; sealed by the manufacturer - Maymom, not original Medela parts | Made of Bisphenol-A (BPA)/DEHP-free material and all components are steam safe for sterilization. | Available in various sizes (10, 12, 13, 15, 17, 19, 21, 22, 24, 25, 26, 27, 29, 30, 32, 34, 36mm) for purchase.

2x Two-Piece Breastshield (13 mm, suitable for mothers with nipple_diameter after pumping 11-12 mm) , Compatible with all Medela pumps (New Medela Pump in Style with MaxFlow, Pump in style, Lactina, Symphony, Swing, Mini Electric, FreeStyle, Swing Maxi, Sonata and Harmony, freestyle flex | US FDA registered medical device (No. D192499); Products are inspected by US FDA. Complies with US FDA and EUstandards for containers that contact food and class II medical device; Test reports are online for your reference; | Retail poly-bag packed; sealed by the manufacturer - Maymom, not original Medela parts | Made of Bisphenol-A (BPA)/DEHP-free material and all components are steam safe for sterilization. | Available in various sizes (10, 11, 12, 13, 14, 15, 16, 17, 19, 21, 22, 24, 25, 26, 27, 29, 30, 32, 34, 36mm) for purchase.

2x Two-Piece Breastshield (14 mm, suitable for mothers with nipple_diameter after pumping 12-13 mm) , Compatible with all Medela pumps (New Medela Pump in Style with MaxFlow, Pump in style, Lactina, Symphony, Swing, Mini Electric, FreeStyle, Swing Maxi, Sonata and Harmony, freestyle flex | US FDA registered medical device (No. D192499); Products are inspected by US FDA. Complies with US FDA and EUstandards for containers that contact food and class II medical device; Test reports are online for your reference; | Retail poly-bag packed; sealed by the manufacturer - Maymom, not original Medela parts | Made of Bisphenol-A (BPA)/DEHP-free material and all components are steam safe for sterilization. | Available in various sizes (10, 12, 13, 14, 15, 16, 17, 19, 21, 22, 24, 25, 26, 27, 29, 30, 32, 34, 36mm) for purchase.

2x Two-Piece Breastshield (18 mm, suitable for mothers with nipple_diameter after pumping 16-17 mm) , Compatible with all Medela pumps (New Medela Pump in Style with MaxFlow, Pump in style, Lactina, Symphony, Swing, Mini Electric, FreeStyle, Swing Maxi, Sonata and Harmony, freestyle flex | US FDA registered medical device (No. D192499); Products are inspected by US FDA. Complies with US FDA and EUstandards for containers that contact food and class II medical device; Test reports are online for your reference; | Retail poly-bag packed; sealed by the manufacturer - Maymom, not original Medela parts | Made of Bisphenol-A (BPA)/DEHP-free material and all components are steam safe for sterilization. | Available in various sizes (10, 12, 13, 14, 15, 16, 17, 19, 21, 22, 24, 25, 26, 27, 29, 30, 32, 34, 36mm) for purchase.

2x Base Connectors for use with Maymom two-piece shields and Compatible with Medela PeronalFit Breast Shields and new Flex Shields | US FDA registered medical device (No. D192499); Products are inspected by US FDA. Complies with US FDA and EUstandards for containers that contact food and class II medical device; Test reports are online for your reference; | Retail poly-bag packed; sealed by the manufacturer - Maymom, not original Medela parts | Made of Bisphenol-A (BPA)/DEHP-free material and all components are steam safe for sterilization. | Available in various wide neck bottle connection and narrow neck bottle connection for purchase.

2x shields Pano Series ( 19mm, suitable for mothers with niple diameter AFTER pumping 17-18 mm) , Compatible with Medela pumps (New Medela Pump in Style with MaxFlow, Pump in style, Lactina, Symphony, Swing, Mini Electric FreeStyle, Swing Maxi, Sonata, Freestyle Flex and Harmony). NOTE: connectors are not included in this listing. Also compatible with Lansinoh SignaturePro SmartPump Manual Pump, replace Lansinoh Pump Parts, Lansinoh Flanges. | Flange opening is 105 degree, more suitable for mothers with large breasts or flatter contour breasts; Soft and flexible edge for more comforts; Larger cup size for more covered area of breasts during pumping; elliptical-shaped design to rorate and adapt for comfortable pumping | US FDA registered medical device (No. D192499); Products are inspected by US FDA. Complies with US FDA and EUstandards for containers that contact food and class II medical device; Test reports are online for your reference; Retail poly-bag packed; sealed by the manufacturer - Maymom, not original Medela parts | Made of Bisphenol-A (BPA)/DEHP-free material and all components are steam safe for sterilization. | Available in various sizes (15, 17, 19, 21 mm) for purchase.

Contains ONE Flange. Buy two units if you pump on both breasts at the same time. 1x 13mm small widemouth flange for spectra s1 pump, s2 pump and 9 pump. Suitable for mother with a nipple diameter 11-12mm (measured AFTER a pumping session). Suitable for spectra s2 accessory replacement. | Compatible with spectra wide mouth bottles, AVENT bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles. | Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra. | BPA free; Complies with US FDA regulation for plastics that contact food. | Dishwasher toprack safe; Steam safe sterilization

Contains ONE Flange. Buy two units if you pump on both breasts at the same time. 1x 16mm small widemouth flange for spectra s1 pump, s2 pump and 9 pump. Suitable for mother with a nipple diameter 14-15mm (measured AFTER a pumping session). Suitable for spectra s2 accessory replacement. | Compatible with spectra wide mouth bottles, AVENT bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles. | Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra. | BPA free; Complies with US FDA regulation for plastics that contact food. | Dishwasher toprack safe; Steam safe sterilization

Contains ONE Flange. Buy two units if you pump on both breasts at the same time. 1x 18mm small widemouth flange for spectra s1 pump, s2 pump and 9 pump. Suitable for mother with a nipple diameter 16-17mm (measured AFTER a pumping session). Suitable for spectra s2 accessory replacement. | Compatible with spectra wide mouth bottles, AVENT bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles. | Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra. | BPA free; Complies with US FDA regulation for plastics that contact food. | Dishwasher toprack safe; Steam safe sterilization

Contains ONE Flange. Buy two units if you pump on both breasts at the same time. 1x 22mm small widemouth flange for spectra s1 pump, s2 pump and 9 pump. Suitable for mother with a nipple diameter 20-21mm (measured AFTER a pumping session). Suitable for spectra s2 accessory replacement. | Compatible with spectra wide mouth bottles, AVENT bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles. | Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra. | BPA free; Complies with US FDA regulation for plastics that contact food. | Dishwasher toprack safe; Steam safe sterilization

Contains ONE Flange. Buy two units if you pump on both breasts at the same time. 2x 22mm small widemouth flange for spectra s1 pump, s2 pump and 9 pump. Suitable for mother with a nipple diameter 20-21mm (measured AFTER a pumping session). Suitable for spectra s2 accessory replacement. | Compatible with spectra wide mouth bottles, AVENT bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles. | Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra. | BPA free; Complies with US FDA regulation for plastics that contact food. | Dishwasher toprack safe; Steam safe sterilization

2x 27mm widemouth flange compatible with spectra s1 pump, s2 pump and 9 pump. Suitable for mother with a nipple diameter 25-26mm (measured AFTER a pumping session). Suitable for spectra s2 accessory replacement. | BPA free; Complies with US FDA regulation for plastics that contact foods | Works with spectra wide mouth bottles, AVENT bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles. | Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra. | Dishwasher toprack safe; Steam safe sterilization;

"Product Content: 25mm Flange (x2 Standard Plus Flange), Backflow Protector(x2), Tube(x2), Duckbill Valve (x2), Bottle with a Two-Piece Travel Cap (x2). All Products compatible with Spectra 9+, Spectra S1, Spectra S2 Breastpump. This kit does NOT include Dome Caps and Nipples. | "Maymom-made products. Not Original Spectra S1 Accessories. Not Original Spectra S2 Accessories. Not Original Spectra Pump Parts. All pump parts made by Maymom LLC. | "Maymom pump parts perform as well as OEM parts. Interchangeable and compatible with Spectra pump parts. Ideal Spectra replacement for Spectra Duckbill Valve (Spectra Valve), Spectra Backflow Protector, Spectra flange, Spectra Tubing, Wide-Neck Spectra Bottle. Maymom flange size available: 15mm, 17mm, 19mm, 21mm, 24mm, 25mm, 27mm, 28mm, 30mm, 32mm. | "The two-piece cap of Maymom bottle features rewritable surface top for labeling date or baby's name for daycare or daily storage use. Write with regular ball pen or dry erase marker. Erase with soapy water. | "Comply with FDA regulations for plastic materials that contact food. Material does NOT contain BPA. Can be sanitized with, boiling water, water steam or microwave-steam bags.

Kit Contents: 2 Flanges (15mm), 2 Duckbill Valves, 2 Backflow Protectors, 2 Tubes, 2 Bottles (with One-Piece Travel Cap). Work with Spectra S2, Spectra S1, Spectra 9 Plus Breastpump. Nipples and Dome Caps are NOT included in this kit | All pump parts made by Maymom. Not Original Spectra S2 Accessories. Not Original Spectra S1 Accessories. Not Original Spectra Pump Parts | Compatible and interchangeable with Spectra pump parts. Same suction power as OEM parts. Replace Spectra Flanges, Spectra Duckbill Valves, Spectra Backflow Protectors, Spectra Tubings, Spectra Bottles (Wide Mouth). Multiple flange sizes available: 15mm, 17mm, 19mm, 21mm, 24mm, 25mm, 27mm, 28mm, 30mm, 32mm | The One-piece cap of Maymom bottle includes sealing ring for secure seal. NO waste of milkdrop. Design for travel and storage of formula or breast milk. It's also perfect to convert baby feeding bottle to snack container or tumbler for mommy | The One-piece cap of Maymom bottle includes sealing ring for secure seal. NO waste of milkdrop. Design for travel and storage of formula or breast milk. It's also perfect to convert baby feeding bottle to snack container or tumbler for mommy

Contains ONE Flange. Buy two units if you pump on both breasts at the same time. 1x 28mm widemouth flange compatible with spectra s1 pump, s2 pump and 9 pump. Suitable for mother with a nippie diameter 26-27mm (measured AFTER a pumping session). Suitable for spectra s2 accessory replacement. | BPA free; Complies with US FDA regulation for plastics that contact foods | Works with spectra wide mouth bottles, AVENT bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles. | Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra. | Dishwasher toprack safe; Steam safe sterilization;

2x 28mm widemouth flanges compatible with spectra s1 pump, s2 pump and 9 pump. Suitable for mother with a nipple diameter 26-27mm (measured AFTER a pumping session). Suitable for spectra s2 accessory replacement. | BPA free; Complies with US FDA regulation for plastics that contact foods | Works with spectra wide mouth bottles, AVENT bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles. | Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra. | Dishwasher toprack safe; Steam safe sterilization;

Contains ONE Flange. Buy two units if you pump on both breasts at the same time. 1x 17mm standard wide mouth flange for spectra s1 pump, s2 pump and 9 pump. Suitable for spectra s2 accessory replacement. | BPA free; Complies with US FDA regulation for plastics that contact foods | Works with spectra wide mouth bottles, AVENT bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles. | Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra. | Dishwasher toprack safe; Steam safe sterilization;

Maymom flange, not spectra flange or spectra USA product. It will not fit every mother. See below for details. Contains 2x 13mm widemouth flanges for spectra s1 plus pump, s2 plus pump, 9 plus pump and Motiff Luna, Ameda Mya pumps. Suitable for mother with a niple diameter 11-12mm (measured AFTER a pumping session). | Compatible with spectra wide mouth bottles, AVENT bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles. | Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra. | BPA free; Complies with US FDA regulation for plastics that contact food. | Dishwasher toprack safe; Steam safe sterilization

Maymom 2x 21mm widemouth flanges compatible with spectra s1 pump, s2 pump and 9 pump. Suitable for mother with a nipple diameter mm (measured AFTER a pumping session). Suitable for spectra s2 accessory replacement. | BPA free; Complies with US FDA regulation for plastics that contact foods | Works with spectra wide mouth bottles, AVENT bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles. | Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra. | Dishwasher toprack safe; Steam safe sterilization;

Maymom flange, not spectra flange or spectra USA product. It will not fit every mother. See below for details. Contains 2x 23mm widemouth flanges compatible with spectra s1 plus pump, s2 plus pump, 9 plus pump and Motiff Luna, Ameda Mya pumps. | BPA free; Complies with US FDA regulation for plastics that contact foods | Works with spectra wide mouth bottles, AVENT bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles. | Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra. | Dishwasher toprack safe; Steam cleaning safe.

Contains TWO Flange. 2x24 mm Maymom widemouth flange compatible with spectra s1 pump, s2 pump and 9 pump. Suitable for mother with a nipple diameter mm (measured AFTER a pumping session). Suitable for spectra s2 accessory replacement. | BPA free; Complies with US FDA regulation for plastics that contact foods | Works with spectra wide mouth bottles, AVENT bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles. | Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra. | Dishwasher toprack safe; Steam safe sterilization;

Contains ONE Flange. Buy two units if you pump on both breasts at the same time. 1x mm widemouth flange compatible with spectra s1 pump, s2 pump and 9 pump. Suitable for mother with a nippie diameter mm (measured AFTER a pumping session). Suitable for spectra s2 accessory replacement. | BPA free; Complies with US FDA regulation for plastics that contact foods | Works with spectra wide mouth bottles, AVENT bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles. | Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra. | Dishwasher toprack safe; Steam safe sterilization;

2x 30mm widemouth flanges compatible with spectra s1 pump, s2 pump and 9 pump. Suitable for mother with a nipple diameter 28-29mm (measured AFTER a pumping session). Suitable for spectra s2 accessory replacement. | BPA free; Complies with US FDA regulation for plastics that contact foods | Works with spectra wide mouth bottles, AVENT bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles. | Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra. | Dishwasher toprack safe; Steam safe sterilization;

Maymom flange, 19 mm, one uint ONLY, for single-sided pumping. For double-sided pumping, please buy two units. | BPA free; Complies with US FDA regulation for plastics that contact foods | Works with spectra wide mouth bottles, AVENT bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles. | Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra.

CONTENTS: 8x duckbill valve and 4 x silicone membrane. Made by Maymom, replacement pump parts compatible with spectra duckbill valve and spectra membrane. Not Original Spectra Pump Parts. Not Original Spectra S2 PLUS, or Spectra S1 PLUS, Spectra S3 Parts. | COMPATIBLE with Spectra S1 Plus Spectra S2 Plus Spectra 9 Plus breastpump (The duckbill valves also compatible with Spectra Dew 350). Not original Spectra S1 accessories, Spectra S2 accessories, Spectra Duckbill Valves, Spectra Membrane Replacement. | SAME SUCTION POWER AS OEM VALVES. The duckbill valves are compatible with Spectra flange and Maymom flange. The silicone membranes are compatible with Maymom backflow protector (Long, Short and Medium) and Spectra S1 backflow protector, Spectra S2 backflow protector. Also suitable for Ameda Mya pumps. | OPTIMIZE PUMP PERFORMANCE. Replace your silicone membrane, duckbill valves regularly to optimize the performance of your breastpump. | BPA/DEHP FREE. IN RETAIL PACK.; comply with EU and USA FDA regulations for materials that contact food. Tested by independent labs for quality and safety. All items are packaged in retail pack and sealed by the manufacturer Maymom. Can be cleaned with boiling water or water steam.