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Ships within 48 hours · Estimated delivery Oct 27 - Nov 1
including systems from Watts
5" FNPT inlet and outlet lines with Teflon tape or thread sealant
Membrane Replacement Schedule
🔧 Pro Tip: Rinse the Harmsco HB-20-1W pleated cartridge every 2-3 months under high pressure water to restore flow rate
} IPW Industries / Watts Compatible
Harmsco (HB-20-20W) 20"X4.5" Big Blue "Calypso Blue" Pleated Sediment 20 Micron Filter Total Dissolved Solids (TDS)2871 including systems from WattsThe Harmsco HB 20 20W delivers reliable 20 micron sediment filtration in a durable pleated polyester design built for both whole house and reverse osmosis applications. This 20"x4. 5" Big Blue cartridge fits standard Harmsco housings and offers exceptional dirt holding capacity with the extended surface area of pleated media. SPECIFICATIONS Harmsco HB 20 20W Technical Details Model Number HB 20 20W Dimensions 20" x 4. 5" (Big Blue Standard) Micron
