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Aquarium Filter Cartridges

Aquarium Filter Cartridges Products

Cascade 600 Disposable Carbon Filter Cartridges

$7.19 - $27.32
  • $51.99
  • Save $25 (47%)

Penn Plax Smallword Replacement Filtration Units

$5.30 - $30.21
  • $57.99
  • Save $28 (48%)
4.8 (4)

Penn Plax Cascade 600 Bio-Sponge

$6.60 - $37.60
  • $75.99
  • Save $38 (51%)

Cascade 300 Disposable Carbon Filter Cartridges

$4.26 - $16.19
  • $24.99
  • Save $9 (35%)

Penn Plax Cascade 400 Bio-Sponge

$4.86 - $27.70
  • $52.99
  • Save $25 (48%)

Penn Plax Cascade 300 Bio-Sponge

$5.84 - $31.54
  • $59.99
  • Save $29 (47%)
5.0 (1)

Cascade 300 Power Filter Bio-Sponge Cartridge

$5.79 - $32.99
  • $62.99
  • Save $30 (48%)

Cascade 400 Disposable Carbon Filter Cartridges

$4.99 - $18.96
  • $32.99
  • Save $14 (43%)
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
  • $83.99
  • Save $42 (50%)
5.0 (1)