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The SpiroPure SP-ERC-20 Empty Refillable Cartridge is ready for you to fill with your desired filter media. The SP-ERC-20 is a 20x2.5 empty cartridge that is compatible with any standard 20" Slim Filter Housings that take 20" x 2.5" filters. This refillable cartridge includes polypropylene pads to prevent carbon fines and other small filter media from escaping the filter cartridge.
- Size: 20" x 2.5"
- End Caps: Removable at bottom only
- Inner Core: Empty
- Includes: 2 polypropylene pads