Fleck (17772) Silicone Seal Heavy Metal Reduction1901 The Omnipure Q5321 is a

The Omnipure Q5321 is a replacement cartridge that requires an existing Q-Series filter head

4 Gallon Metal Tank Quarter-Turn Cartridges

Ideal for under-sink drinking water systems

All housings are hydrostatically tested before shipment and compatible with potable water

Fleck (17772) Silicone Seal Heavy Metal Reduction1901 The Omnipure Q5321 is aFleck Control Valve Component Fleck 5600 Silicone Seal (Model 17772) Factory spec seal for Fleck 5600 control valves. Prevents leaks at the piston assembly and maintains proper valve cycling pressure. OEM Part Fleck 5600 Model 17772 WHAT IT DOES Critical seal for piston operation The Fleck 17772 silicone seal sits inside the control valve piston assembly and creates the hydraulic pressure differential that allows the valve to cycle through backwash,