Harmsco (HB-20-20W) 20"X4.5" Big Blue "Calypso Blue" Pleated Sediment 20 Micron Filter Specialty Filter and other granular media up

and other granular media up to approximately 4

Confirm your control valve model number before ordering

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

With 82 sq ft of active membrane area and stabilized rejection rates exceeding 99% for magnesium sulfate

Harmsco (HB-20-20W) 20"X4.5" Big Blue "Calypso Blue" Pleated Sediment 20 Micron Filter Specialty Filter and other granular media upThe 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