EcoPure Advanced Universal Under Sink Replacement Filter (EPU2L) | NSF Certified | Universal Fit | 6-Month Filter Life COMPATIBLE: Designed for use in the EcoPure Universal Undersink Water Filtration System (EPU3) UNIVERSAL FIT: Fits all major brands of drop-in-style undersink filtration systems, including: Whirlpool, Omni, Culligan, Watts, Filtrete, 3M, GE, and DuPont 6-MONTH FILTER LIFE: For best filtration results, filters should be replaced every six months, as recommended BETTER PROTECTION: NSF certified to reduce contaminants commonly found in drinking water, including chlorine taste & odor, sediment, cysts and lead down to 0.5 microns HELPFUL: Want filter-change reminders? Visit EcoPures website to sign up. Questions? Our lifetime technical support staff is available call the EcoPure helpline or visit EcoPures website.