Why ICEPURE- Pursuing excellent quality. The filter is made from NSF certified food grade and Lead-free materials.This filter bears major Authoritative Certifications on markets, such as European Food Grade Regulation EC-1935/2016, ROHS, REACH, BPA-Free,TUV, and Australian Water Mark. | Why ICEPURE- Lead-free material reduces 99% Lead, Mercury, Chlorine, taste, THM, VOCs, Particles and all other major impurities, significantly improving the taste of drinking water to provide pure-tasting water, while retaining minerals beneficial to the human body.Offers pure water for multiple uses, giving enhanced protection to your family. | Advanced Technology- Advanced technology to ensure sufficient water flow and reduce waiting time. Replacing your filter every 3 months or 100 gallons. Whichever comes first will vary based on water quality. | Compatibility Models- RF9999 RF3375 RF99994SP RF9999-3 For use with PUR Classic, Advanced and Horizontal Faucet Mounts, including PUR-0A1, PFM100B, PFM150W, PFM400H, PFM450S, PFM800HX, FM-3333, FM-9400B, FM-3700B, FM-2000B, FM-9000B, FM-4000B, FM-4100B, FM-2500V, FM-3400B, PFM350V and More models. AQK-05, RF 3375, WATER DROP WD-RF-9999-3, This filter is not sourced by or sponsored by PUR. The manufacturer’s name and part number have been used for reference purposes only. | Leak-free Design- ICEPURE filters use advanced and precise measurement technology, combined with 3D multi-dimensional design technology to ensure that our products fully match the original products and do not leak water.