Empty Cartridges

Refillable cartridges made by SpiroPure are durable empty cartridges that are ready to be filled with your desired filter media. Choose from cartridges that open at both ends or a single end. All empty cartridges come with 2 polypropylene pads that help prevent carbon fines or other small media from escaping the cartridge.
  • Empty cartridge allows you to fill with the media of your choice
  • Available in nominal sizes of: 10x2.5, 10x4.5, 20x2.5, and 20x4.5
  • Includes 2 polypropylene pads to help contain smaller filter media
  • 4.5” BB filters include a built-in 25-micron polypropylene core for a high flow rate and quality filtration
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Filter Details Chart
Size Model Number Removable Ends Case Quantitiy Case Dimensions Case Weight
10" x 2.5" SP-ERB-10 2 12
10" x 2.5" SP-ERC-10 1 12
20" x 2.5" SP-ERB-20 2 6
20" x 2.5" SP-ERC-20 1 6
10" x 4.5" SP-ERB-BB 2 6
10" x 4.5" SP-ERC-BB 1 6
20" x 4.5" SP-ERB-20BB 2 3
20" x 4.5" SP-ERC-20BB 1 3
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