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π§ Filmtec membranes from Dow deliver the longest service life in the industry when properly maintained with adequate prefiltration
Inspect and clean quartz sleeve #20 every two years or when visible mineral deposits reduce UV transmission through glass
Media Replacement
Complete Installation Kit
Factory assembly includes fresh O-rings and mounting bolts
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 π§ Filmtec membranes from DowHarmsco 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
US$ 171.49
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