Harmsco (HB-20-20W) 20"X4.5" Big Blue "Calypso Blue" Pleated Sediment 20 Micron Filter Size_UV 1-5GPM Nearly absolute removal for pre-RO

Nearly absolute removal for pre-RO and sensitive applications

Where the CS52 Cell Works

heavy metal reduction (lead

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 Nearly absolute removal for pre-ROThe 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