Time-tested Duraflow flapper technology provides frictionless sealing for longer service life. Fiber –reinforced polymer valve body is used for superior strength and durability, non-corrosion and UV-resistance

• Manual and semi-automatic filter valves, no programming required
• Continuous service flow rate of 21 GPM with a backwash of 19 GPM (full flow)
• User- initiated regeneration knob
• Designed for single tank systems
• Available in full flow or low flow options