20" x 4.5" Refillable Water Filter Cartridge

20-inch x 4.5-inch BB REC-4520W Refillable Filter Cartridge
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20" x 4.5" REC-4520W Refillable Water Filter Cartridge - Empty

The 20" x 4.5" Empty Refillable Filter Cartridge REC-4520W is an environmentally friendly alternative to water filtration that is reusable. Recycle, Refill, Reuse. Stop throwing away plastic and filling up landfills. The REC-4520W can be filled with a variety of medias: calcite for pH adjustment, activated carbon for taste and odor improvement, softening or mixed bed ion exchange resins, and other medias. When the media is exhausted, simply discard the old media and refill the cartridge with new media. These cartridges come standard with built-in pre and post filters to keep the media from being washed out of the filter cartridge.

  • Refillable Empty Cartridges
  • Durable Construction
  • Excellent Flow Rate
  • Prefilter and Postfilter: 20 micron polypropylene pad
  • Reusable and environmentally friendly option

Suggested granular activated carbon for the REC-4520W

Use the Neo-Pure GAC-4PK Coconut Shell GAC Pillow Packs to conveniently refill a reusable filter cartridge and save the environment by not discarding plastic.

Refillable Cartridge
Part Number
# of
GAC 4pks
REC-2510C10" x 2-1/2" 4
REC-2520W20" x 2-1/2" 8
REC-4510W10" x 4-1/2" 9
REC-4520W20" x 4-1/2" 18

20" (50.8 cm)
4.5" (11.4 cm)
Materials of Construction
Filter Life
Filter Type
Filter Specifications
Operating Conditions
20 - 125 psi
40 - 125 °F
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