INCLUDES: 3 High Efficiency Dust Filter Bags | Dimensions of the bag spread out: 36-3/5"(930 mm) Long x 15-3/5"(400 mm) High, 3" (77 mm) Fitting Diameter. | Fits Ridgid* 12 Gallon models: HD1200, HD1280, MOB1200, WD1270. // 14 Gallon models: HD1400, RV2400HF, WD1450. // 16 Gallon models: HD1600, HD1800, MOB1600, WD1640, WD1680, WD1851, WD1956, WD1950, WD1850. | 2-ply Material: High efficiency filtration made with polypropylene for capturing fine dust, micro particles and allergens | These bags work exceptionally well for capturing debris such as drywall dust, sawdust, dirt, and other non-hazardous materials.