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Product Description 36 GPD (Gallons Per Day) Membrane Filter. Compatible with the Premier Standard Reverse Osmosis Systems. This semi permeable membrane effectively reduces TDS and sodium as well as a wide range of contaminants such as Arsenic, Lead, Percholate, Chromium, Copper, Radium and Protozoan Cysts, such as Giardia and Cryptosporidium. The heart of your Reverse Osmosis system reducing impurities down to 1/10,000 of a micron. Applications: 5SV 4SV WP-5 WP-4V Zero Waste *Note: This membrane is not for use with the quick change reverse osmosis systems. Specifications: Water Production: 36 GPD (Gallons Per Day) Filter Rating: 2-5 Years* Easy to install *Note: Membrane life may vary based upon local water conditions, use patterns, and frequency of filter changes. Special Note:

Watts Premier Original Membrane 560016 - B004QOHP2W