Filters

(69 results)
Fluval® FX6 Aquarium Canister Filter
(198)
$369.99
$419.99
Online Only! Buy any Habitat, Save 20% on food and care
Spend $25+ get 2,500 points on all filters and media
+ 2 more
Fluval FX2 Aquarium Canister Filter
(32)
$269.99
$319.99
Online Only! Buy any Habitat, Save 20% on food and care
Spend $25+ get 2,500 points on all filters and media
+ 2 more
Fluval® 407 Performance Aquarium Canister Filter
(118)
$229.99
$269.99
Online Only! Buy any Habitat, Save 20% on food and care
Spend $25+ get 2,500 points on all filters and media
+ 2 more
Fluval Aquaclear Aquarium Power Filter
4 sizes
(84)
$42.99 - $99.99
Online Only! Buy any Habitat, Save 20% on food and care
Spend $25+ get 2,500 points on all filters and media
+ 2 more
Top Fin® Silenstream™ Aquarium Power Filter
5 sizes
(1460)
$12.99 - $45.99
Online Only! Buy any Habitat, Save 20% on food and care
Spend $25+ get 2,500 points on all filters and media
+ 2 more
Fluval® FX4 Aquarium Canister Filter
(123)
$309.99
$359.99
Online Only! Buy any Habitat, Save 20% on food and care
Spend $25+ get 2,500 points on all filters and media
+ 2 more
Fluval® 307 Performance Aquarium Canister Filter
(95)
$189.99
$199.99
Online Only! Buy any Habitat, Save 20% on food and care
Spend $25+ get 2,500 points on all filters and media
+ 2 more
Fluval® 207 Performance Aquarium Canister Filter
(79)
$152.99
$159.99
Online Only! Buy any Habitat, Save 20% on food and care
Spend $25+ get 2,500 points on all filters and media
+ 2 more
Marineland Penguin PRO 375 Aquarium Power Filter
(207)
$64.89
$69.99
Online Only! Buy any Habitat, Save 20% on food and care
Spend $25+ get 2,500 points on all filters and media
+ 2 more
Penn Plax Cascade 1000 Canister Filter
(40)
$134.99
$144.99
Online Only! Buy any Habitat, Save 20% on food and care
Save 40% on your first Autoship Order!
+ 3 more
Aqueon® QuietFlow Aquarium Canister Filter 100-150 Gallon
(10)
$199.99
$219.99
Online Only! Buy any Habitat, Save 20% on food and care
Spend $25+ get 2,500 points on all filters and media
+ 2 more
Marineland® C360 Aquarium Canister Filter
(383)
$219.99
Online Only! Buy any Habitat, Save 20% on food and care
Spend $25+ get 2,500 points on all filters and media
+ 2 more
Tetra® Whisper IQ Power Aquarium Filter
5 sizes
(366)
$13.99 - $39.99
Online Only! Buy any Habitat, Save 20% on food and care
Spend $25+ get 2,500 points on all filters and media
+ 2 more
Top Fin® CN-S Corner Filter Cartridges
2 sizes
(48)
$8.99 - $14.99
Online Only! Buy any Habitat, Save 20% on food and care
Save 40% on your first Autoship Order!
+ 4 more
OASE BioMaster Thermo 850 External Filter - Up to 225 Gallons
(2)
$465.99
Online Only! Buy any Habitat, Save 20% on food and care
Spend $25+ get 2,500 points on all filters and media
+ 1 more
Marineland® Emperor® PRO 450 Aquarium Filter
(98)
$94.79
$99.99
Online Only! Buy any Habitat, Save 20% on food and care
Spend $25+ get 2,500 points on all filters and media
+ 2 more
Top Fin® Aquarium Sponge Filter
3 sizes
(198)
$9.99 - $19.99
Online Only! Buy any Habitat, Save 20% on food and care
Spend $25+ get 2,500 points on all filters and media
+ 2 more
Top Fin® Aquarium BETTAFLO™Filter
(568)
$14.99
Online Only! Buy any Habitat, Save 20% on food and care
Spend $25+ get 2,500 points on all filters and media
+ 2 more
Aqueon QuietFlow Aquarium Canister Filter 75 Gallon
(7)
$164.99
$179.99
Online Only! Buy any Habitat, Save 20% on food and care
Spend $25+ get 2,500 points on all filters and media
+ 2 more
Marineland® Penguin PRO 275 Aquarium Power Filter
(225)
$51.29
$54.99
Online Only! Buy any Habitat, Save 20% on food and care
Spend $25+ get 2,500 points on all filters and media
+ 2 more
Penn Plax Cascade 700 Canister Filter
(24)
$124.99
$134.99
Online Only! Buy any Habitat, Save 20% on food and care
Save 40% on your first Autoship Order!
+ 3 more
Top Fin® Pro Aquarium Power Filter
4 sizes
(189)
$34.99 - $79.99
Online Only! Buy any Habitat, Save 20% on food and care
Spend $25+ get 2,500 points on all filters and media
+ 2 more
Marineland® Magniflow C250 Aquarium Canister Filter - 55G
(244)
$155.59
$169.99
Online Only! Buy any Habitat, Save 20% on food and care
Spend $25+ get 2,500 points on all filters and media
+ 2 more
Top Fin® SF10 Aquarium Sponge Filter
(18)
$6.99
Online Only! Buy any Habitat, Save 20% on food and care
Spend $25+ get 2,500 points on all filters and media
+ 2 more
Marineland Magniflow Canister Filter
(0)
$115.59
$158.59
Online Only! Buy any Habitat, Save 20% on food and care
Save 40% on your first Autoship Order!
+ 2 more
Aquael PAT Mini Internal Shrimp Filter
(16)
$22.99
$24.99
Online Only! Buy any Habitat, Save 20% on food and care
Spend $25+ get 2,500 points on all filters and media
+ 2 more
Aqueon® QuietFlow Internal Aquarium Filter
3 sizes
(88)
$18.49 - $33.99
Online Only! Buy any Habitat, Save 20% on food and care
Save 40% on your first Autoship Order!
+ 3 more
Marineland Magnum 200 Polishing Internal Canister Filter
(20)
$56.99
$69.99
Online Only! Buy any Habitat, Save 20% on food and care
Spend $25+ get 2,500 points on all filters and media
+ 2 more
OASE BioMaster Thermo 600 External Filter - Up to 160 Gallons
(1)
$404.99
Online Only! Buy any Habitat, Save 20% on food and care
Spend $25+ get 2,500 points on all filters and media
+ 1 more
OASE BioMaster 600 External Filter - Up to 160 Gallons
(0)
$349.99
Online Only! Buy any Habitat, Save 20% on food and care
Spend $25+ get 2,500 points on all filters and media
+ 1 more
Fluval® FX6 Service Kit
(1)
$53.59
$55.99
Online Only! Buy any Habitat, Save 20% on food and care
Spend $25+ get 2,500 points on all filters and media
+ 1 more
Marineland Penguin PRO 175 Aquarium Power Filter
(194)
$44.99
Online Only! Buy any Habitat, Save 20% on food and care
Spend $25+ get 2,500 points on all filters and media
+ 2 more
Top Fin® IF20 Internal Aquarium Filter
(99)
$19.99
$22.99
Online Only! Buy any Habitat, Save 20% on food and care
Spend $25+ get 2,500 points on all filters and media
+ 2 more
Top Fin® IF40 Internal Aquarium Filter
(111)
$29.99
Online Only! Buy any Habitat, Save 20% on food and care
Spend $25+ get 2,500 points on all filters and media
+ 2 more
Tetra BIO-Bag® Aquarium Cartridges
2 sizes
(46)
$4.99 - $12.99
Online Only! Buy any Habitat, Save 20% on food and care
Save 40% on your first Autoship Order!
+ 4 more
Marineland® Polishing Internal Filter
(227)
$92.89
$99.99
Online Only! Buy any Habitat, Save 20% on food and care
Spend $25+ get 2,500 points on all filters and media
+ 2 more
Fluval® Underwater 3 Filter
(20)
$44.99
$74.99
Online Only! Buy any Habitat, Save 20% on food and care
Spend $25+ get 2,500 points on all filters and media
+ 1 more
Tetra® Whisper In Tank Power Aquarium Filters
(133)
$26.49
$29.99
Online Only! Buy any Habitat, Save 20% on food and care
Spend $25+ get 2,500 points on all filters and media
+ 2 more
Tetra® Whisper In Tank Power Aquarium Filters
(424)
$15.99
$19.99
Online Only! Buy any Habitat, Save 20% on food and care
Spend $25+ get 2,500 points on all filters and media
+ 2 more
Aqueon® SmartClean™ Aquarium Power Filter
4 sizes
(92)
$24.99 - $69.99
Online Only! Buy any Habitat, Save 20% on food and care
Spend $25+ get 2,500 points on all filters and media
+ 1 more
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Making sure that your finned friends have clean water in their tank is one of the most important responsibilities you have as their pet parent. Having the correct filter for your aquarium is vital to removing waste and other harmful contaminants from the water your fish live in. We have many different types of fish tank filters such as canister filters, external filters, internal filters, power filters and undergravel filters. No matter what type of tank you have, you’ll find the best fish tank filters at PetSmart. We also carry replacement parts and filter cartridges for easy maintenance of your filter. 
Do you need something other than fish tank filters? At PetSmart, we know how important your pets are to you, which is why we carry everything you need to have a healthy fish tank for your fishies. You'll find all the best filter and pump supplies for your fish tank or aquarium, including:
While you’re here, shop our wide variety of the best fish supplies to help your fishy friends live their best life like feedersfish food and more!
PetSmart also offers convenient shopping with curbside or in-store pickup. Need something today? We have select items available for same-day delivery in most areas powered by DoorDash. For items you purchase frequently, PetSmart has Autoship that automatically delivers the items you want to your door as often as you’d like. Check the website to see what items are eligible.