Endless Pools Filter 77931 Brand_FreshWater so a routine shock doesn't

so a routine shock doesn't knock your balance out of range

makes brushing and vacuuming less effective

On a program where the sanitizer is the single most expensive recurring product

That's why the routine is a single substantial initial application followed by testing twice a year

Endless Pools Filter 77931 Brand_FreshWater so a routine shock doesn'tEndless Pools Filter 77931 Overview Replacement filter for spa side of Endless Pools models X2000 and E2000. Whats in the Box 1 x Endless Pools Filter 77931 Specifications Filtration Sq Ft: 50 Outer Diameter: 8" Length: 13. 5" Top: Open 5" Bottom: Open 5" Pleat Count: 300 Media Weight: 3 oz Compatibility X2000 2018 Current E2000 2017 Current Brand Endless Pools