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Aquarium Filter Cartridges

Aquarium Filter Cartridges Products

AquaClear Powerhead Quick Filter Replacement Cartridge

$4.99 - $28.44
  • $48.99
  • Save $21 (42%)
4.7 (3)

Penn Plax Smallword Replacement Filtration Units

$5.30 - $30.21
  • $51.99
  • Save $22 (42%)
4.8 (4)

Penn Plax Cascade 300 Bio-Sponge

$5.84 - $31.54
  • $53.99
  • Save $23 (42%)
5.0 (1)
Best Seller

Marina Replacement Power Cartridge for i25 Filters

$4.33 - $24.70
  • $41.99
  • Save $17 (41%)
5.0 (2)

Penn Plax Clear-Free Disposable Cartridges for Aquarium Filters

$3.65 - $41.61
  • $79.99
  • Save $38 (48%)
5.0 (1)