Product details:

Built for the Whirlpool Wher25 reverse osmosis water filtration system, the Wheerm Ultra Ease reverse osmosis membrane will reduce up to 95% of all Total Dissolved Solids (Tds) and organic matter for up to one full year after installation. Certified and tested against Nsf/ansi Standard 58. A genuine OE part, proudly made by the manufacturer in the Usa.