Harmsco (HB-20-20W) 20"X4.5" Big Blue "Calypso Blue" Pleated Sediment 20 Micron Filter Size_UV 1-5GPM 5" inline cartridge combining granular

5" inline cartridge combining granular activated carbon with half a pound of KDF-55 media for comprehensive chlorine

Female threaded inlet and outlet connections integrate directly with most residential plumbing without adapters

Sturdy polypropylene standard bushing can be easily replaced without replacing the entire sensor

Designed for residential applications requiring both particulate removal and microbial protection

install an air injector on the backwash line to create an air-assisted wash that maintains media cleanliness without requiring higher flow rates

Harmsco (HB-20-20W) 20"X4.5" Big Blue "Calypso Blue" Pleated Sediment 20 Micron Filter Size_UV 1-5GPM 5" inline cartridge combining granularThe 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