Pentek - 20" x 4.5" Big Blue Empty Refillable Cartridge
20" x 4.5" Big Blue Empty Refillable Cartridge
The Pentek 20" x 4.5" Big Blue Empty Refillable Cartridge lets you build custom filtration solutions with your choice of media. Fill it with activated carbon, KDF, calcite, ion exchange resin, or specialty blends to address your specific water quality challenges.
Technical Details
| Dimensions | 20" x 4.75" |
| Model Type | Empty Refillable Cartridge |
| Housing Compatibility | Standard Big Blue 20" housings |
| Media Capacity | Variable (depends on media type and density) |
| End Cap Configuration | Sealed with fill ports |
| Material | Durable polymer construction |
Works With Your System
This empty refillable cartridge fits all standard 20" Big Blue filter housings with 4.5" diameter capacity. Compatible with Pentek, Culligan, and most major brands using the Big Blue format. Ideal for whole-house systems, commercial applications, or any setup where custom media blends provide better results than off-the-shelf cartridges. Fill with granular activated carbon for taste and odor removal, KDF for heavy metal reduction, calcite for pH correction, or proprietary blends for specialized treatment.
20" x 4.5" Big Blue Empty Refillable Cartridge
The Pentek 20" x 4.5" Big Blue Empty Refillable Cartridge lets you build custom filtration solutions with your choice of media. Fill it with activated carbon, KDF, calcite, ion exchange resin, or specialty blends to address your specific water quality challenges.
Technical Details
| Dimensions | 20" x 4.75" |
| Model Type | Empty Refillable Cartridge |
| Housing Compatibility | Standard Big Blue 20" housings |
| Media Capacity | Variable (depends on media type and density) |
| End Cap Configuration | Sealed with fill ports |
| Material | Durable polymer construction |
Works With Your System
This empty refillable cartridge fits all standard 20" Big Blue filter housings with 4.5" diameter capacity. Compatible with Pentek, Culligan, and most major brands using the Big Blue format. Ideal for whole-house systems, commercial applications, or any setup where custom media blends provide better results than off-the-shelf cartridges. Fill with granular activated carbon for taste and odor removal, KDF for heavy metal reduction, calcite for pH correction, or proprietary blends for specialized treatment.
Description
20" x 4.5" Big Blue Empty Refillable Cartridge
The Pentek 20" x 4.5" Big Blue Empty Refillable Cartridge lets you build custom filtration solutions with your choice of media. Fill it with activated carbon, KDF, calcite, ion exchange resin, or specialty blends to address your specific water quality challenges.
Technical Details
| Dimensions | 20" x 4.75" |
| Model Type | Empty Refillable Cartridge |
| Housing Compatibility | Standard Big Blue 20" housings |
| Media Capacity | Variable (depends on media type and density) |
| End Cap Configuration | Sealed with fill ports |
| Material | Durable polymer construction |
Works With Your System
This empty refillable cartridge fits all standard 20" Big Blue filter housings with 4.5" diameter capacity. Compatible with Pentek, Culligan, and most major brands using the Big Blue format. Ideal for whole-house systems, commercial applications, or any setup where custom media blends provide better results than off-the-shelf cartridges. Fill with granular activated carbon for taste and odor removal, KDF for heavy metal reduction, calcite for pH correction, or proprietary blends for specialized treatment.
