Sort
Filter

Loading options...

Loading options...

Rated 4.7 out of 5 stars
796
$19.97 Chewy Price
($3.33/ea) Price per Unit
$24.99 List Price
Autoship Price

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

Loading options...

Loading options...

Rated 4.7 out of 5 stars
963
$14.57 Chewy Price
($1.22/ea) Price per Unit
$18.19 List Price
Autoship Price

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

Rated 4.8 out of 5 stars
285
$42.95 Chewy Price
($2.87/ea) Price per Unit
$49.99 List Price
Autoship Price

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

Rated 4.6 out of 5 stars
140
$6.49 Chewy Price
($1.09/ea) Price per Unit
$11.22 List Price
Autoship Price

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

Rated 4.8 out of 5 stars
294
$12.77 Chewy Price
($3.20/ea) Price per Unit
$15.99 List Price
Autoship Price

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

Loading options...

Loading options...

Rated 4.6 out of 5 stars
407
$6.47 Chewy Price
($2.16/ea) Price per Unit
$7.99 List Price
Autoship Price

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

Rated 4.8 out of 5 stars
102
$7.98 Chewy Price
($2.66/ea) Price per Unit
$14.49 List Price
Autoship Price

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

Rated 4.6 out of 5 stars
17
$5.99 Chewy Price
($5.99/ea) Price per Unit
Autoship Price

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

Rated 4.9 out of 5 stars
138
$11.95 Chewy Price
($3.99/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

Loading options...

Loading options...

Rated 4.6 out of 5 stars
109
$12.37 Chewy Price
($2.07/ea) Price per Unit
$16.49 List Price
Autoship Price

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

Loading options...

Loading options...

Rated 4.7 out of 5 stars
212
$3.74 Chewy Price
($3.74/ea) Price per Unit
Autoship Price

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

Rated 5 out of 5 stars
5
$6.46 Chewy Price
($1.08/ea) Price per Unit
$9.99 List Price
Autoship Price

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

Rated 4.3 out of 5 stars
51
$17.58 Chewy Price
($17.58/ea) Price per Unit
$24.78 List Price
Autoship Price

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

Rated 4.7 out of 5 stars
89
$22.95 Chewy Price
($2.55/ea) Price per Unit
$26.99 List Price
Autoship Price

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

Rated 4.8 out of 5 stars
6
$6.97 Chewy Price
($2.33/ea) Price per Unit
$7.99 List Price
Autoship Price

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

Rated 4.7 out of 5 stars
64
$10.56 Chewy Price
($1.32/ea) Price per Unit
$19.59 List Price
Autoship Price

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

Loading options...

Loading options...

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

Rated 4.8 out of 5 stars
37
$7.98 Chewy Price
($3.99/ea) Price per Unit
$13.49 List Price
Autoship Price

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

Rated 4.8 out of 5 stars
48
$15.99 Chewy Price
($15.99/ea) Price per Unit
Autoship Price

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

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

Loading options...

Loading options...

Rated 4.8 out of 5 stars
255
$8.99 Chewy Price
($0.75/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

Rated 4.8 out of 5 stars
157
$24.95 Chewy Price
($2.78/ea) Price per Unit
$29.99 List Price
Autoship Price

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

Rated 4.3 out of 5 stars
29
$8.99 Chewy Price
($4.50/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

Rated 4.6 out of 5 stars
32
$13.50 Chewy Price
($13.50/ea) Price per Unit
$20.18 List Price
Autoship Price

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

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

Rated 5 out of 5 stars
2
$15.87 Chewy Price
$15.99 List Price
Autoship Price

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

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

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

Rated 4.8 out of 5 stars
79
$4.39 Chewy Price
($1.47/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

Rated 4.5 out of 5 stars
34
$4.69 Chewy Price
($2.35/ea) Price per Unit
$4.99 List Price
Autoship Price

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

Rated 4.8 out of 5 stars
68
$8.95 Chewy Price
($2.99/ea) Price per Unit
$10.49 List Price
Autoship Price

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

Rated 4.7 out of 5 stars
7
$8.95 Chewy Price
($2.99/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

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

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

Rated 4.7 out of 5 stars
31
$9.99 Chewy Price
($9.99/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

Rated 3.7 out of 5 stars
27
$6.99 Chewy Price
($2.33/ea) Price per Unit
Autoship Price

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

Aquarium & Fish Tank Filter Cartridges

Fish tank filter cartridges have a variety of important benefits and are a must-have for underwater pet parents. The filter cartridges help remove debris and improve overall water quality to maintain your tank and the fish inside it. The aquarium cartridges are usually replaced every 2–4 weeks, depending on their size and model. Additional perks of fish tank filter cartridges can include:

  • Filtration: Filter cartridges remove contaminants and other harmful elements in your tank to keep your fish healthy and thriving
  • Cost: Cartridges are usually budget-friendly and ideal for smaller tanks
  • Easy: Most cartridges are easy to install and hassle-free
  • Plants: Filter cartridges not only help the water and fish stay healthy, but also any plants within the tank

Shop Chewy's assortment of aquarium and fish tank filter cartridges today. Your underwater pets will thank you!

Frequently Asked Questions about Aquarium & Fish Tank Filter Cartridges

What are the components of an aquarium filter?

Common components of an aquarium filter include a filter media, circulating pump, and the filter housing. The filter media can range in material from sponge to mesh to floss to bio-balls.

How often do you replace the cartridge of a fish tank filter?

Generally speaking, you should replace a fish tank filter about once a month or every 6 weeks. However, this can vary from filter to filter. Usually, when you start to notice decreased water flow, you know it's either time to clean or replace your fish tank filter cartridge.

Do I need a specific cartridge for my aquarium filter?

Yes, every aquarium filter has its own filtration needs, so specific aquarium cartridges are needed. Some cartridges are designed to remove specific elements like chlorine and sediment. Additionally, some fish tank filter cartridges are only compatible with certain filter models. Before replacing fish tank filter cartridges, check the aquarium's filter model to ensure compatibility.