Big Blue Pleated Washable & Reusable Sediment Filter 5 Micron Amplified Surface Area, Removes Sand, Dirt, Silt, Rust, Extended Filter Life for 20" Big Blue Housing, by Ronaqua (Set of 4)

4 Pleated 5 Micron Sediment Filter, : 20" x 4.5" - Reduces sediment, scale, rust, dirt, coarse sand, sand, fine sand, extra fine sand, silt. , 4 month or 10,000 gallons: Replace two or three times a year, depending on the water quality. &