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Let us help you find the right aquarium filter for you and your aquatic life. We offer top products from brands names including Fluval, Aquaclear, Hagen, and others. Replacing your aquarium filter will help keep fish tanks and filter systems cleaner and your pets living longer, healthier lives.
AquaClear Aquarium Filters Everpure Aquarium Filters Fluval Aquarium Filters Hagen Aquarium Filters Marina Aquarium Filters
SenSafe Aquarium Tests

Popular Products

Fluval U4 Poly Carbon Underwater Filter Cartridge
Special Order.
Ships in 5 to 6 days.

Retail: $16.00

Our Price: $12.95

Save 19%!

AquaClear Activated Carbon for AquaClear 50
Special Order.
Ships in 5 to 6 days.

Retail: $14.07

Our Price: $8.07

Save 43%!

AquaClear BioMax for AquaClear 50 Power Filter
Special Order.
Ships in 5 to 6 days.

Retail: $17.26

Our Price: $13.99

Save 19%!

AquaClear A613 50 Filter Foam Insert - AquaClear Foam
Special Order.
Ships in 5 to 6 days.

Retail: $13.07

Our Price: $7.07

Save 46%!

Fluval FX6 High Performance Canister Filter
FREE SHIPPING!

within the continental U.S.

Special Order.
Ships in 5 to 6 days.

Retail: $609.99

Our Price: $369.99

Save 39%!

AquaClear A597 Activated Carbon for AquaClear 20
Special Order.
Ships in 5 to 6 days.

Retail: $13.44

Our Price: $7.44

Save 45%!

AquaClear A623 110 Filter Foam Insert - AquaClear Foam
Special Order.
Ships in 5 to 6 days.

Retail: $19.99

Our Price: $14.99

Save 25%!

AquaClear 30 - A1392 Foam Filter Insert 3-Pack
Special Order.
Ships in 5 to 6 days.

Retail: $4.99

Our Price: $4.65

Save 7%!

Fluval A415 - G3 Pre-Filter Replacement Cartridge
Special Order.
Ships in 5 to 6 days.

Retail: $49.99

Our Price: $39.99

Save 20%!

Fluval U2 Underwater Aquarium Filter System
Special Order.
Ships in 5 to 6 days.

Retail: $59.99

Our Price: $49.99

Save 17%!

AquaClear Activated Carbon for AquaClear 110
Special Order.
Ships in 5 to 6 days.

Retail: $19.95

Our Price: $14.95

Save 25%!

AquaClear BioMax for AquaClear 110 Power Filter
Special Order.
Ships in 5 to 6 days.

Retail: $29.99

Our Price: $18.99

Save 37%!

Marina S10 Power Filter System - A285
Special Order.
Ships in 5 to 6 days.

Retail: $59.95

Our Price: $39.95

Save 33%!

AquaClear A624 110 Zeo Carb Aquarium Filter Insert
In Stock!
Ships in 1 business day

Retail: $17.99

Our Price: $13.99

Save 22%!

Fluval U3 Poly Carbon Underwater Filter Cartridge
Special Order.
Ships in 5 to 6 days.

Retail: $15.37

Our Price: $9.37

Save 39%!

Fluval BioMax Media for Fluval U2, U3 & U4 Filters
Special Order.
Ships in 5 to 6 days.

Retail: $19.37

Our Price: $14.95

Save 23%!

Fluval A421 - G3 Nitrate Filter Cartridge
Special Order.
Ships in 5 to 6 days.

Retail: $55.23

Our Price: $36.82

Save 33%!

Fluval A414 G-Nodes Bio Filtration Media Replacement
Special Order.
Ships in 5 to 6 days.

Retail: $52.83

Our Price: $35.22

Save 33%!

Fluval A423 - G3 Tri-X Aquarium Filter Cartridge
Special Order.
Ships in 5 to 6 days.

Retail: $49.26

As Low As: $30.84

Save 37%!

SenSafe 481345 Eco-Check 5 in 1 Test Strips
Special Order.
Ships in 5 to 6 days.

Retail: $24.99

Our Price: $19.99

Save 20%!

Marina 50 Aquarium Air Pump - 11110
Special Order.
Ships in 5 to 6 days.

Retail: $17.54

Our Price: $11.54

Save 34%!

A905 Elite Biofoam Replacement Sponges - 2-pack
Special Order.
Ships in 5 to 6 days.

Retail: $7.99

Our Price: $7.47

Save 7%!

A291 Marina Slim Filter Carbon Cartridge - 3-Pack
Special Order.
Ships in 5 to 6 days.

Retail: $5.99

Our Price: $4.31

Save 28%!

A293 Marina Slim Filter Zeolite Cartridge - 3-Pack
Special Order.
Ships in 5 to 6 days.

Our Price: $4.33

Marina S20 Power Filter Quiet Aquarium Pump
Special Order.
Ships in 5 to 6 days.

Retail: $28.91

Our Price: $22.91

Save 21%!

Marina S15 Power Filter - Aquarium Pump & Filter
Special Order.
Ships in 5 to 6 days.

Retail: $26.45

Our Price: $20.45

Save 23%!

Marina 200 Fish Tank Aquarium Air Pump
Special Order.
Ships in 5 to 6 days.

Retail: $23.70

Our Price: $17.70

Save 25%!

A902 - Elite Double Sponge Filter Replacement
Special Order.
Ships in 5 to 6 days.

Retail: $21.25

Our Price: $15.25

Save 28%!

Marina I25 Goldfish Tank Filter- Up to 6.6 Gallons
Special Order.
Ships in 5 to 6 days.

Retail: $18.15

Our Price: $12.15

Save 33%!

Fluval A420 - G6 Phosphate Filter Cartridge
Special Order.
Ships in 5 to 6 days.

Retail: $42.03

Our Price: $28.02

Save 33%!

Fluval A426 - G6 Chemical Filter Cartridge
Special Order.
Ships in 5 to 6 days.

Retail: $40.83

Our Price: $27.22

Save 33%!

Fluval G3 Aquarium Chemical Cartridge - A425
Special Order.
Ships in 5 to 6 days.

Retail: $19.20

Our Price: $13.20

Save 31%!

Master Aquarium Water Test Kit - 10 Parameters
FREE SHIPPING!

within the continental U.S.

Special Order.
Ships in 5 to 6 days.

Retail: $234.24

Our Price: $156.16

Save 33%!

AquaClear Ammonia Remover for AquaClear 110
Special Order.
Ships in 5 to 6 days.

Retail: $16.35

Our Price: $10.35

Save 37%!

AquaClear 110 Power Filter (new AquaClear 500)
FREE SHIPPING!

within the continental U.S.

Special Order.
Ships in 5 to 6 days.

Retail: $177.99

Our Price: $129.95

Save 27%!

AquaClear 70 Zeo Carb Aquarium Filter Insert
Special Order.
Ships in 5 to 6 days.

Our Price: $14.99

AquaClear 70 Filter Foam Insert - AquaClear Foam
Special Order.
Ships in 5 to 6 days.

Retail: $9.99

Our Price: $4.99

Save 50%!

AquaClear A617 Activated Carbon for AquaClear 70
Special Order.
Ships in 5 to 6 days.

Retail: $15.17

Our Price: $13.17

Save 13%!

AquaClear 70 Power Filter (formerly AquaClear 300)
Special Order.
Ships in 5 to 6 days.

Retail: $89.99

Our Price: $79.99

Save 11%!

AquaClear 50 Zeo Carb Aquarium Filter Insert
Special Order.
Ships in 5 to 6 days.

Retail: $13.97

Our Price: $7.97

Save 43%!

AquaClear A611 Ammonia Remover for AquaClear 50
Special Order.
Ships in 5 to 6 days.

Retail: $14.08

Our Price: $8.08

Save 43%!

AquaClear 30 Zeo Carb Aquarium Filter Insert
Special Order.
Ships in 5 to 6 days.

Retail: $13.65

Our Price: $7.65

Save 44%!

AquaClear 30 Filter Foam Insert - AquaClear Foam
Special Order.
Ships in 5 to 6 days.

Retail: $12.95

Our Price: $6.95

Save 46%!

AquaClear Activated Carbon for AquaClear 30
Special Order.
Ships in 5 to 6 days.

Retail: $13.73

Our Price: $7.73

Save 44%!

AquaClear 20 Power Filter (formerly AquaClear 100)
Special Order.
Ships in 5 to 6 days.

Retail: $49.99

Our Price: $34.99

Save 30%!

AquaClear Ammonia Remover for AquaClear 30
Special Order.
Ships in 5 to 6 days.

Retail: $13.74

Our Price: $7.74

Save 44%!

AquaClear 30 Power Filter (formerly AquaClear 150)
Special Order.
Ships in 5 to 6 days.

Retail: $49.99

Our Price: $39.99

Save 20%!

AquaClear Ammonia Remover for AquaClear 20
Special Order.
Ships in 5 to 6 days.

Retail: $13.44

Our Price: $7.44

Save 45%!

AquaClear 20 Zeo Carb Aquarium Filter Insert
Special Order.
Ships in 5 to 6 days.

Retail: $13.37

Our Price: $7.37

Save 45%!

AquaClear 20 Filter Foam Insert - AquaClear Foam
Special Order.
Ships in 5 to 6 days.

Retail: $12.78

Our Price: $6.78

Save 47%!