The Watts Premier 105331 50 gpd Membrane Filter will effectively reduce a wide range of contaminants such as arsenic, lead, nitrates, perchlorate, chromium, copper, dissolved solids and cysts. The 105331 is designed to be changed every 2-3 years.

Specifications:

• Fits the Watts Premier RO Pure RO-4 reverse osmosis system
• Capacity: 50 gpd
• Filter Rating: 2-3 years

Product Note: This filter will NOT fit the Watts 1/4 turn Kwik Change Filter System. If you have one of these systems please order part number WQCM11-50.