Harmsco (HB-20-50W) 20"X4.5" Big Blue "Calypso Blue" Pleated Sediment 50 Micron Filter
HB-20-50W Calypso Blue Pleated Sediment Filter
The Harmsco HB-20-50W uses pleated polyester media to capture sediment down to 50 micron while delivering exceptional dirt-holding capacity and extended service life. Built for 20"×4.5" Big Blue housings, this cartridge can be cleaned and reinstalled in most applications, reducing long-term filtration costs without sacrificing performance.
Filter Details
| Model Number | HB-20-50W |
| Dimensions | 20" × 4.5" (Big Blue) |
| Micron Rating | 50 Micron |
| Media Type | Pleated Polyester |
| Filter Type | Sediment / Particulate |
| Reusable | Yes (cleanable in most applications) |
| Color | Calypso Blue |
Why Choose the HB-20-50W
Cleanable Design
Rinse and reuse in most water conditions, reducing replacement frequency and long-term operating costs.
Pleated Polyester Media
High surface area construction captures more sediment per cartridge than spun or melt-blown alternatives.
50 Micron Filtration
Ideal for coarse sediment removal, protecting downstream equipment and finer-stage filters.
Big Blue Standard
Fits all standard 20"×4.5" Big Blue housings, making retrofits and replacements straightforward.
High Dirt Capacity
Extended pleats hold more particulate before pressure drop increases, lengthening service intervals.
Harmsco Quality
Manufactured by a trusted name in commercial and residential water filtration since 1946.
Where This Filter Works
The Harmsco HB-20-50W is designed for whole-house water filtration systems, pre-RO sediment stages, well water applications, and commercial equipment protection. Compatible with any standard 20 inch Big Blue filter housing that accepts 4.5 inch diameter cartridges. Common applications include first-stage sediment control, turbidity reduction, and pre-filtration ahead of carbon blocks, membranes, or point-of-use devices. Use in municipal or private water systems where coarse sediment removal is required.
Harmsco has been engineering filtration solutions for residential and commercial water treatment since 1946, trusted by professionals for proven performance and long-term reliability.
HB-20-50W Calypso Blue Pleated Sediment Filter
The Harmsco HB-20-50W uses pleated polyester media to capture sediment down to 50 micron while delivering exceptional dirt-holding capacity and extended service life. Built for 20"×4.5" Big Blue housings, this cartridge can be cleaned and reinstalled in most applications, reducing long-term filtration costs without sacrificing performance.
Filter Details
| Model Number | HB-20-50W |
| Dimensions | 20" × 4.5" (Big Blue) |
| Micron Rating | 50 Micron |
| Media Type | Pleated Polyester |
| Filter Type | Sediment / Particulate |
| Reusable | Yes (cleanable in most applications) |
| Color | Calypso Blue |
Why Choose the HB-20-50W
Cleanable Design
Rinse and reuse in most water conditions, reducing replacement frequency and long-term operating costs.
Pleated Polyester Media
High surface area construction captures more sediment per cartridge than spun or melt-blown alternatives.
50 Micron Filtration
Ideal for coarse sediment removal, protecting downstream equipment and finer-stage filters.
Big Blue Standard
Fits all standard 20"×4.5" Big Blue housings, making retrofits and replacements straightforward.
High Dirt Capacity
Extended pleats hold more particulate before pressure drop increases, lengthening service intervals.
Harmsco Quality
Manufactured by a trusted name in commercial and residential water filtration since 1946.
Where This Filter Works
The Harmsco HB-20-50W is designed for whole-house water filtration systems, pre-RO sediment stages, well water applications, and commercial equipment protection. Compatible with any standard 20 inch Big Blue filter housing that accepts 4.5 inch diameter cartridges. Common applications include first-stage sediment control, turbidity reduction, and pre-filtration ahead of carbon blocks, membranes, or point-of-use devices. Use in municipal or private water systems where coarse sediment removal is required.
Harmsco has been engineering filtration solutions for residential and commercial water treatment since 1946, trusted by professionals for proven performance and long-term reliability.
Description
HB-20-50W Calypso Blue Pleated Sediment Filter
The Harmsco HB-20-50W uses pleated polyester media to capture sediment down to 50 micron while delivering exceptional dirt-holding capacity and extended service life. Built for 20"×4.5" Big Blue housings, this cartridge can be cleaned and reinstalled in most applications, reducing long-term filtration costs without sacrificing performance.
Filter Details
| Model Number | HB-20-50W |
| Dimensions | 20" × 4.5" (Big Blue) |
| Micron Rating | 50 Micron |
| Media Type | Pleated Polyester |
| Filter Type | Sediment / Particulate |
| Reusable | Yes (cleanable in most applications) |
| Color | Calypso Blue |
Why Choose the HB-20-50W
Cleanable Design
Rinse and reuse in most water conditions, reducing replacement frequency and long-term operating costs.
Pleated Polyester Media
High surface area construction captures more sediment per cartridge than spun or melt-blown alternatives.
50 Micron Filtration
Ideal for coarse sediment removal, protecting downstream equipment and finer-stage filters.
Big Blue Standard
Fits all standard 20"×4.5" Big Blue housings, making retrofits and replacements straightforward.
High Dirt Capacity
Extended pleats hold more particulate before pressure drop increases, lengthening service intervals.
Harmsco Quality
Manufactured by a trusted name in commercial and residential water filtration since 1946.
Where This Filter Works
The Harmsco HB-20-50W is designed for whole-house water filtration systems, pre-RO sediment stages, well water applications, and commercial equipment protection. Compatible with any standard 20 inch Big Blue filter housing that accepts 4.5 inch diameter cartridges. Common applications include first-stage sediment control, turbidity reduction, and pre-filtration ahead of carbon blocks, membranes, or point-of-use devices. Use in municipal or private water systems where coarse sediment removal is required.
Harmsco has been engineering filtration solutions for residential and commercial water treatment since 1946, trusted by professionals for proven performance and long-term reliability.
