Harmsco (HB-20-1W) 20"X4.5" Big Blue "Calypso Blue" Pleated Sediment 1 Micron Filter Gravel Ideal for homes with known

Ideal for homes with known lead concerns

Engineered from 100% polypropylene using a continuous high-speed wind process

and industrial dosing applications where consistent chemical feed accuracy is critical

🔩 Complete Assembly

Harmsco (HB-20-1W) 20"X4.5" Big Blue "Calypso Blue" Pleated Sediment 1 Micron Filter Gravel Ideal for homes with knownThe Harmsco HB 20 1W delivers professional grade sediment filtration with pleated polyester media engineered for high dirt holding capacity and extended service life. This 20"x4. 5" Calypso Blue cartridge captures particles down to 1 micron and can be cleaned and reused in most residential and commercial applications. SPECIFICATIONS Harmsco HB 20 1W Technical Details Model Number HB 20 1W Dimensions 20" x 4. 5" (Big Blue) Micron Rating 1 Micron Filter