Harmsco (HB-20-20W) 20"X4.5" Big Blue "Calypso Blue" Pleated Sediment 20 Micron Filter Size_UV 1-5GPM 📊 Proven Chemistry

📊 Proven Chemistry

VTC technology allows adjustable dosing intervals and durations

Designed for residential applications requiring both particulate removal and microbial protection

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

Harmsco (HB-20-20W) 20"X4.5" Big Blue "Calypso Blue" Pleated Sediment 20 Micron Filter Size_UV 1-5GPM 📊 Proven ChemistryThe 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