Harmsco (HB-20-20W) 20"X4.5" Big Blue "Calypso Blue" Pleated Sediment 20 Micron Filter Auto Flush Valve Duckbill design closes under reverse

Duckbill design closes under reverse pressure

System Fit and Use Cases

Professional-grade black brine tank with integrated safety brine valve for residential and commercial water softening systems

this filter delivers superior GAC performance while virtually eliminating the carbon fines release common in standard loose carbon cartridges

and RV water systems

Harmsco (HB-20-20W) 20"X4.5" Big Blue "Calypso Blue" Pleated Sediment 20 Micron Filter Auto Flush Valve Duckbill design closes under reverseThe 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