EcoPure EPW4P Water Filter, White Premium filtration: certified to reduce sediment, sand, dirt, and rust down to 30 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. Questionscall the EcoPure helpline at (800) 693-1138