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The SpiroPure SP-ERB-20BB Empty Refillable Cartridge is ready for you to fill with your desired filter media. The SP-ERB-20BB is a 20x4.5 empty cartridge that is compatible with any 20" BB Filter Housings that take 20" x 4.5" filters. This refillable cartridge includes polyester pads to prevent carbon fines and other small filter media from escaping the filter cartridge.
Specifications
- Size: 20" x 4.5"
- End Caps: Removable at both ends
- Inner Core: Empty
- Includes: 2 polyester pads
- Temperature Rating: 40°F to 125°F (4°C to 52°C)
