EcoPure EPW4C Carbon Block Whole Home Replacement Water Filter - Universal Fit - Fits Most Major Brand Systems Premium filtration: Certified to reduce chlorine taste and odor, sediment, sand, dirt, and rust down to 25 microns Protect your water supply, water using appliances and plumbing fixtures from harmful contaminants Three-month filter life - for best filtration results replace your whole home filters every three months Fits most major brand filter housings including: Whirlpool, Omni, Culligan, Filtrete, 3M, GE, DuPont and most other brands Text ECOPURE to 444999 to sign up for filter change reminders. Questions? Call the EcoPure helpline at (800) 693-1138.