Harmsco (HB-20-20W) 20"X4.5" Big Blue "Calypso Blue" Pleated Sediment 20 Micron Filter Specialty Filter Unscrew the filter housing and

Unscrew the filter housing and remove the old cartridge

extending filter life and maximizing adsorption capacity

and flush the filter for 3-5 minutes to purge air and prime the carbon bed

000-gallon service life

NIST Certified

Harmsco (HB-20-20W) 20"X4.5" Big Blue "Calypso Blue" Pleated Sediment 20 Micron Filter Specialty Filter Unscrew the filter housing andThe 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