Harmsco (HB-20-5W) 20"X4.5" Big Blue "Calypso Blue" Pleated Sediment 5 Micron Filter
20" x 4.5" Calypso Blue Pleated Sediment Filter
The Harmsco HB-20-5W is a 20-inch pleated sediment cartridge engineered for Big Blue 20" x 4.5" housings, offering high dirt-holding capacity and extended service life through its cleanable polyester media. At 5 microns, it removes sand, silt, rust, and particulate before they reach downstream equipment like RO membranes, UV systems, or appliances.
Filter Details
| Model | HB-20-5W |
| Dimensions | 20" x 4.5" |
| Micron Rating | 5 micron |
| Media Type | Pleated polyester |
| Filter Type | Sediment (pleated) |
| Service Life | Washable and reusable in most applications |
| Color | Calypso Blue |
Fits Standard 20" Big Blue Housings
This cartridge installs in any standard 20-inch Big Blue housing with a 4.5-inch inner diameter. It's commonly used for whole-house sediment filtration and as pre-filtration for reverse osmosis systems, protecting membranes and extending their lifespan. The pleated polyester construction allows for routine cleaning with a garden hose or mild detergent solution, making the HB-20-5W a cost-effective choice for applications with moderate to heavy sediment loads.
