DEV Diatomaceous Earth Filter

DEV filters have a curved grid design that creates balanced water flow throughout the filter tank, and are constructed with a heavy-duty, durable composite body made of corrosion- and UV-resistant materials. Uses optional Jandy unions, or select a Jandy backwash valve kit option: 2-in-1 Never Lube^® Valve, Slide Valve, or the Multi-Port Valve.