Aquarium Filter Cartridges for New Fish

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Slide 1 of 4
Fluval FX2/FX4/FX5/FX6 Canister Filter Quick-Clear Fish Filter Cartridge, 3 count slide 1 of 4
Fluval FX2/FX4/FX5/FX6 Canister Filter Quick-Clear Fish Filter Cartridge, 3 count slide 2 of 4
Fluval FX2/FX4/FX5/FX6 Canister Filter Quick-Clear Fish Filter Cartridge, 3 count slide 3 of 4
Fluval FX2/FX4/FX5/FX6 Canister Filter Quick-Clear Fish Filter Cartridge, 3 count slide 4 of 4
Fluval FX2/FX4/FX5/FX6 Canister Filter Quick-Clear Fish Filter Cartridge, 3 count slide 1 of 4
Fluval FX2/FX4/FX5/FX6 Canister Filter Quick-Clear Fish Filter Cartridge, 3 count slide 2 of 4
Fluval FX2/FX4/FX5/FX6 Canister Filter Quick-Clear Fish Filter Cartridge, 3 count slide 3 of 4
Fluval FX2/FX4/FX5/FX6 Canister Filter Quick-Clear Fish Filter Cartridge, 3 count slide 4 of 4
Fluval FX2/FX4/FX5/FX6 Canister Filter Quick-Clear Fish Filter Cartridge, 3 count slide 1 of 4
Fluval FX2/FX4/FX5/FX6 Canister Filter Quick-Clear Fish Filter Cartridge, 3 count slide 2 of 4
Fluval FX2/FX4/FX5/FX6 Canister Filter Quick-Clear Fish Filter Cartridge, 3 count slide 3 of 4
Fluval FX2/FX4/FX5/FX6 Canister Filter Quick-Clear Fish Filter Cartridge, 3 count slide 4 of 4
Slide 1 of 4
Fluval FX2/FX4/FX5/FX6 Canister Filter Quick-Clear Fish Filter Cartridge, 3 count slide 1 of 4
Fluval FX2/FX4/FX5/FX6 Canister Filter Quick-Clear Fish Filter Cartridge, 3 count slide 2 of 4
Fluval FX2/FX4/FX5/FX6 Canister Filter Quick-Clear Fish Filter Cartridge, 3 count slide 3 of 4
Fluval FX2/FX4/FX5/FX6 Canister Filter Quick-Clear Fish Filter Cartridge, 3 count slide 4 of 4
Fluval FX2/FX4/FX5/FX6 Canister Filter Quick-Clear Fish Filter Cartridge, 3 count slide 1 of 4
Fluval FX2/FX4/FX5/FX6 Canister Filter Quick-Clear Fish Filter Cartridge, 3 count slide 2 of 4
Fluval FX2/FX4/FX5/FX6 Canister Filter Quick-Clear Fish Filter Cartridge, 3 count slide 3 of 4
Fluval FX2/FX4/FX5/FX6 Canister Filter Quick-Clear Fish Filter Cartridge, 3 count slide 4 of 4
Fluval FX2/FX4/FX5/FX6 Canister Filter Quick-Clear Fish Filter Cartridge, 3 count slide 1 of 4
Fluval FX2/FX4/FX5/FX6 Canister Filter Quick-Clear Fish Filter Cartridge, 3 count slide 2 of 4
Fluval FX2/FX4/FX5/FX6 Canister Filter Quick-Clear Fish Filter Cartridge, 3 count slide 3 of 4
Fluval FX2/FX4/FX5/FX6 Canister Filter Quick-Clear Fish Filter Cartridge, 3 count slide 4 of 4

Fluval FX2/FX4/FX5/FX6 Canister Filter Quick-Clear Fish Filter Cartridge, 3 count

Rated 5 out of 5 stars
7
$8.46 Chewy Price
($2.82/ea) Price per Unit
$8.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Slide 1 of 3
Marineland Magnum Polishing Internal Canister Filter Floss Sleeve, 3 count slide 1 of 3
Marineland Magnum Polishing Internal Canister Filter Floss Sleeve, 3 count slide 2 of 3
Marineland Magnum Polishing Internal Canister Filter Floss Sleeve, 3 count slide 3 of 3
Marineland Magnum Polishing Internal Canister Filter Floss Sleeve, 3 count slide 1 of 3
Marineland Magnum Polishing Internal Canister Filter Floss Sleeve, 3 count slide 2 of 3
Marineland Magnum Polishing Internal Canister Filter Floss Sleeve, 3 count slide 3 of 3
Marineland Magnum Polishing Internal Canister Filter Floss Sleeve, 3 count slide 1 of 3
Marineland Magnum Polishing Internal Canister Filter Floss Sleeve, 3 count slide 2 of 3
Marineland Magnum Polishing Internal Canister Filter Floss Sleeve, 3 count slide 3 of 3
Slide 1 of 3
Marineland Magnum Polishing Internal Canister Filter Floss Sleeve, 3 count slide 1 of 3
Marineland Magnum Polishing Internal Canister Filter Floss Sleeve, 3 count slide 2 of 3
Marineland Magnum Polishing Internal Canister Filter Floss Sleeve, 3 count slide 3 of 3
Marineland Magnum Polishing Internal Canister Filter Floss Sleeve, 3 count slide 1 of 3
Marineland Magnum Polishing Internal Canister Filter Floss Sleeve, 3 count slide 2 of 3
Marineland Magnum Polishing Internal Canister Filter Floss Sleeve, 3 count slide 3 of 3
Marineland Magnum Polishing Internal Canister Filter Floss Sleeve, 3 count slide 1 of 3
Marineland Magnum Polishing Internal Canister Filter Floss Sleeve, 3 count slide 2 of 3
Marineland Magnum Polishing Internal Canister Filter Floss Sleeve, 3 count slide 3 of 3

Marineland Magnum Polishing Internal Canister Filter Floss Sleeve, 3 count

Rated 4.8 out of 5 stars
35
$8.38 Chewy Price
($2.80/ea) Price per Unit
$10.29 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Slide 1 of 7
Marineland Bio-Wheel Penguin Aquarium Power Filter, 75-gal & Marineland Bio-Wheel Penguin Rite-Size C Filter Cartridge, 6 count slide 1 of 7
Marineland Bio-Wheel Penguin Aquarium Power Filter, 75-gal & Marineland Bio-Wheel Penguin Rite-Size C Filter Cartridge, 6 count slide 2 of 7
Marineland Bio-Wheel Penguin Aquarium Power Filter, 75-gal & Marineland Bio-Wheel Penguin Rite-Size C Filter Cartridge, 6 count slide 3 of 7
Marineland Bio-Wheel Penguin Aquarium Power Filter, 75-gal & Marineland Bio-Wheel Penguin Rite-Size C Filter Cartridge, 6 count slide 4 of 7
Marineland Bio-Wheel Penguin Aquarium Power Filter, 75-gal & Marineland Bio-Wheel Penguin Rite-Size C Filter Cartridge, 6 count slide 5 of 7
Marineland Bio-Wheel Penguin Aquarium Power Filter, 75-gal & Marineland Bio-Wheel Penguin Rite-Size C Filter Cartridge, 6 count slide 6 of 7
Marineland Bio-Wheel Penguin Aquarium Power Filter, 75-gal & Marineland Bio-Wheel Penguin Rite-Size C Filter Cartridge, 6 count slide 7 of 7
Marineland Bio-Wheel Penguin Aquarium Power Filter, 75-gal & Marineland Bio-Wheel Penguin Rite-Size C Filter Cartridge, 6 count slide 1 of 7
Marineland Bio-Wheel Penguin Aquarium Power Filter, 75-gal & Marineland Bio-Wheel Penguin Rite-Size C Filter Cartridge, 6 count slide 2 of 7
Marineland Bio-Wheel Penguin Aquarium Power Filter, 75-gal & Marineland Bio-Wheel Penguin Rite-Size C Filter Cartridge, 6 count slide 3 of 7
Marineland Bio-Wheel Penguin Aquarium Power Filter, 75-gal & Marineland Bio-Wheel Penguin Rite-Size C Filter Cartridge, 6 count slide 4 of 7
Marineland Bio-Wheel Penguin Aquarium Power Filter, 75-gal & Marineland Bio-Wheel Penguin Rite-Size C Filter Cartridge, 6 count slide 5 of 7
Marineland Bio-Wheel Penguin Aquarium Power Filter, 75-gal & Marineland Bio-Wheel Penguin Rite-Size C Filter Cartridge, 6 count slide 6 of 7
Marineland Bio-Wheel Penguin Aquarium Power Filter, 75-gal & Marineland Bio-Wheel Penguin Rite-Size C Filter Cartridge, 6 count slide 7 of 7
Marineland Bio-Wheel Penguin Aquarium Power Filter, 75-gal & Marineland Bio-Wheel Penguin Rite-Size C Filter Cartridge, 6 count slide 1 of 7
Marineland Bio-Wheel Penguin Aquarium Power Filter, 75-gal & Marineland Bio-Wheel Penguin Rite-Size C Filter Cartridge, 6 count slide 2 of 7
Marineland Bio-Wheel Penguin Aquarium Power Filter, 75-gal & Marineland Bio-Wheel Penguin Rite-Size C Filter Cartridge, 6 count slide 3 of 7
Marineland Bio-Wheel Penguin Aquarium Power Filter, 75-gal & Marineland Bio-Wheel Penguin Rite-Size C Filter Cartridge, 6 count slide 4 of 7
Marineland Bio-Wheel Penguin Aquarium Power Filter, 75-gal & Marineland Bio-Wheel Penguin Rite-Size C Filter Cartridge, 6 count slide 5 of 7
Marineland Bio-Wheel Penguin Aquarium Power Filter, 75-gal & Marineland Bio-Wheel Penguin Rite-Size C Filter Cartridge, 6 count slide 6 of 7
Marineland Bio-Wheel Penguin Aquarium Power Filter, 75-gal & Marineland Bio-Wheel Penguin Rite-Size C Filter Cartridge, 6 count slide 7 of 7
Bundle and Save 10%
Bundle: Marineland Bio-Wheel Penguin Aquarium Power Filter, 75-gal & Marineland Bio-Wheel Pengu...
Rated 3.8 out of 5 stars
35
$54.35 Chewy Price
$60.39 List Price
Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Slide 1 of 9
Aqueon Medium Replacement Filter Cartridge, 3 count slide 1 of 9
Aqueon Medium Replacement Filter Cartridge, 3 count slide 2 of 9
Aqueon Medium Replacement Filter Cartridge, 3 count slide 3 of 9
Aqueon Medium Replacement Filter Cartridge, 3 count slide 4 of 9
Aqueon Medium Replacement Filter Cartridge, 3 count slide 5 of 9
Aqueon Medium Replacement Filter Cartridge, 3 count slide 6 of 9
Aqueon Medium Replacement Filter Cartridge, 3 count slide 7 of 9
Aqueon Medium Replacement Filter Cartridge, 3 count slide 8 of 9
Aqueon Medium Replacement Filter Cartridge, 3 count slide 9 of 9
Aqueon Medium Replacement Filter Cartridge, 3 count slide 1 of 9
Aqueon Medium Replacement Filter Cartridge, 3 count slide 2 of 9
Aqueon Medium Replacement Filter Cartridge, 3 count slide 3 of 9
Aqueon Medium Replacement Filter Cartridge, 3 count slide 4 of 9
Aqueon Medium Replacement Filter Cartridge, 3 count slide 5 of 9
Aqueon Medium Replacement Filter Cartridge, 3 count slide 6 of 9
Aqueon Medium Replacement Filter Cartridge, 3 count slide 7 of 9
Aqueon Medium Replacement Filter Cartridge, 3 count slide 8 of 9
Aqueon Medium Replacement Filter Cartridge, 3 count slide 9 of 9
Aqueon Medium Replacement Filter Cartridge, 3 count slide 1 of 9
Aqueon Medium Replacement Filter Cartridge, 3 count slide 2 of 9
Aqueon Medium Replacement Filter Cartridge, 3 count slide 3 of 9
Aqueon Medium Replacement Filter Cartridge, 3 count slide 4 of 9
Aqueon Medium Replacement Filter Cartridge, 3 count slide 5 of 9
Aqueon Medium Replacement Filter Cartridge, 3 count slide 6 of 9
Aqueon Medium Replacement Filter Cartridge, 3 count slide 7 of 9
Aqueon Medium Replacement Filter Cartridge, 3 count slide 8 of 9
Aqueon Medium Replacement Filter Cartridge, 3 count slide 9 of 9

Aqueon Medium Replacement Filter Cartridge, 3 count

Rated 4.7 out of 5 stars
151
$9.95 Chewy Price
($3.32/ea) Price per Unit
$11.49 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

AquaClear Activated Carbon Filter Insert, Size 30, 3 count

Rated 4.9 out of 5 stars
46
$3.31 Chewy Price
($1.11/ea) Price per Unit
$10.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Tetra Whisper Aquarium Filter Cartridges, Small, 6 count

Rated 4.7 out of 5 stars
90
$10.36 Chewy Price
($1.73/ea) Price per Unit
$11.49 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Fluval FX2/FX4/FX5/FX6 Canister Filter Bio-Foam+ Fish Filter Catridge, 2 count

Rated 5 out of 5 stars
5
$14.35 Chewy Price
($7.18/ea) Price per Unit
$17.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

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Marineland Bio-Wheel Penguin Rite-Size B Filter Cartridge, 6 count

Rated 4.7 out of 5 stars
194
$17.57 Chewy Price
($2.93/ea) Price per Unit
$21.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Underwater Treasures Seapora Rite-Fit PF10/30 Medium/Junior Cartridge Power Aquarium Filter, 3 ...

Rated 5 out of 5 stars
4
$8.83 Chewy Price
($2.95/ea) Price per Unit
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

AquaFX Carbon Block Cartridge Aquarium Filter

Rated 4.5 out of 5 stars
2
$13.99 Chewy Price
($13.99/ea) Price per Unit
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Fluval U3 Poly/Clearmax Filter Cartridge, 2 count

Rated 4.7 out of 5 stars
21
$8.51 Chewy Price
($4.26/ea) Price per Unit
$13.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Aqueon Small Replacement Filter Cartridge, 3 count

Rated 4.7 out of 5 stars
107
$9.95 Chewy Price
($3.32/ea) Price per Unit
$11.49 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Marineland Magnum 350 Bonded Filter Cartridge, 3 count

Rated 4.7 out of 5 stars
33
$4.69 Chewy Price
($1.57/ea) Price per Unit
$14.39 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Penn-Plax Small World Filter Media Fish Cartridges

Rated 4.8 out of 5 stars
16
$10.53 Chewy Price
($10.53/ea) Price per Unit
$10.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Tetra Whisper Bio-Bag Aquarium Filter Cartridge, 6 count

Rated 4.5 out of 5 stars
36
$9.43 Chewy Price
($1.58/ea) Price per Unit
$11.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Marineland Pro 450 Micron Filter Water Polishing Cartridge

Rated 4 out of 5 stars
4
$2.57 Chewy Price
($2.57/ea) Price per Unit
$11.89 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Underwater Treasures Seapora Poly Pad

Rated 4.5 out of 5 stars
8
$4.20 Chewy Price
($4.20/ea) Price per Unit
$4.49 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Aqueon EcoRenew Aquarium Replacement Filter Cartridges, Medium, 3 count

Rated 5 out of 5 stars
1
$10.95 Chewy Price
($3.65/ea) Price per Unit
$12.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Bundle and Save 10%
Bundle: Marineland Bio-Wheel Emperor Rite-Size E Filter Cartridge, 4 count + 400 Aquarium Power...
Rated 4.9 out of 5 stars
16
$88.41 Chewy Price
$98.76 List Price
Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Fluval U2 Poly/Clearmax Filter Cartridge, 2 count

Rated 4.4 out of 5 stars
27
$8.99 Chewy Price
($4.50/ea) Price per Unit
$9.49 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Aqueon Large Internal Filter Replacement Cartridge, 2 count

Rated 4.7 out of 5 stars
37
$10.95 Chewy Price
($5.48/ea) Price per Unit
$12.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

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Tetra Whisper Bio-Bags Small Filter Cartridge, 2 count

Rated 4.6 out of 5 stars
107
$3.77 Chewy Price
($1.89/ea) Price per Unit
$4.69 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Marineland Pro 275 & 375 Micron Filter Water Polishing Cartridge

Rated 5 out of 5 stars
6
$2.57 Chewy Price
($2.57/ea) Price per Unit
$11.79 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

API Bio-Chem Zorb Filter Media Pouch for Crystal Clear Aquarium Water, Size 6, 18 count

Rated 5 out of 5 stars
9
$226.99 Chewy Price
($12.62/ea) Price per Unit
$265.38 List Price
Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

HelloReef Felt Filter Sock for Aquariums

Rated 5 out of 5 stars
4
$8.99 Chewy Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Lifegard Mini-Bubble Filter Replacement Cartridges, 2 count

Rated 4.5 out of 5 stars
4
$5.53 Chewy Price
($2.77/ea) Price per Unit
Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Apr 13 and Apr 17

Bundle and Save 5%
Bundle: Aqueon QuietFlow Medium Replacement Filter Cartridges + 10 Ammonia Reducing Specialty F...
Rated 5 out of 5 stars
3
$32.20 Chewy Price
$33.90 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Underwater Treasures Seapora Rite-Fit E 280/400 Power Aquarium Filter Cartridges, 4 count

Rated 5 out of 5 stars
2
$22.59 Chewy Price
($5.65/ea) Price per Unit
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

JBJ Aquarium Rimless Desktop Bio Aquarium Filter Cartridge Replacement

Rated 5 out of 5 stars
1
$26.00 Chewy Price
($26.00/ea) Price per Unit
Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Apr 12 and Apr 16

Aqueon Replacement Betta Filter Cartridge, 2 count

Rated 4.9 out of 5 stars
13
$6.49 Chewy Price
($3.25/ea) Price per Unit
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Fluval G3 Chemical Filter Cartridge

Rated 5 out of 5 stars
1
$17.99 Chewy Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Koller Products KC05 Aquarium Replacement Filter Cartridges, 6 count

Rated 4.3 out of 5 stars
7
$9.99 Chewy Price
($1.67/ea) Price per Unit
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Bundle and Save 5%
Bundle: Marineland Bio-Wheel Penguin Rite-Size C Filter Cartridge + Omega One Sinking Shrimp Pe...
$31.37 Chewy Price
$33.02 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Aquascape Pond Air 4 Replacement Cartridge & Renew Kit

Rated 5 out of 5 stars
2
$69.13 Chewy Price
Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Out of Stock

Lee's Aquarium & Pets Premium Disposable Carbon Cartridges, 2 count

Rated 4.9 out of 5 stars
7

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Out of Stock

Fluval U4 Poly/Clearmax Filter Cartridge

Rated 4 out of 5 stars
20

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Save 5% on repeat deliveries

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