Harmsco (HB-20-50W) 20"X4.5" Big Blue "Calypso Blue" Pleated Sediment 50 Micron Filter HM Digital (COM-100) Waterproof EC/TDS/Temperature Combo Meter/Monitor Inspect and clean quartz sleeve

Inspect and clean quartz sleeve #20 every two years or when visible mineral deposits reduce UV transmission through glass

this GAC cartridge is built for whole-house

Complete Installation Kit

and operators managing brackish water systems with variable or difficult feed quality

Harmsco (HB-20-50W) 20"X4.5" Big Blue "Calypso Blue" Pleated Sediment 50 Micron Filter HM Digital (COM-100) Waterproof EC/TDS/Temperature Combo Meter/Monitor Inspect and clean quartz sleeveHarmsco Filtration HB 20 50W Calypso Blue Pleated Sediment Filter 20"4. 5" Big Blue polyester cartridge engineered for washable, reusable sediment control at 50 micron Cleanable & Reusable High Dirt Capacity 50 Micron Pleated Big Blue Standard The Harmsco HB 20 50W uses pleated polyester media to capture sediment down to 50 micron while delivering exceptional dirt holding capacity and extended service life. Built for 20"4. 5" Big Blue housings, this