Filter Media

(560 results)
Top Fin® Essentials Aquarium Starter Kit
8 sizes
(4191)
$55.99 - $229.99
Online Only! Save 20% on select tanks, terrariums and habitats
Free Same-Day Delivery, No Order Minimum!
Top Fin® Large Power Filter Cartridges
(274)
$17.99
Buy 1 Get the 2nd 50% Top Fin, Tetra & Seachem Media
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Pre-Conditioned Aquarium Water
2 sizes
(222)
$16.79 - $16.99
Buy 1 Get the 2nd 25% Off Top Fin Food & Watercare (excludes Pond)
Save 35% On Your First Autoship Order!
+ 1 more
Top Fin® All-In-One Betta Aquarium Starter Kit - 3 Gallon
(417)
$52.99
$54.99
Online Only! Save 20% on select tanks, terrariums and habitats
Free Same-Day Delivery, No Order Minimum!
Top Fin® Java Fern Live Plant
(38)
$5.39
$6.99
Free Same-Day Delivery, No Order Minimum!
Top Fin® Silenstream™ Small Filter Cartridges
(63)
$14.99
Buy 1 Get the 2nd 50% Top Fin, Tetra & Seachem Media
Save 35% On Your First Autoship Order!
+ 2 more
Top Fin® Fascinate Column Starter Kit
(304)
$86.99
$89.99
Online Only! Save 20% on select tanks, terrariums and habitats
Free Same-Day Delivery, No Order Minimum!
Top Fin® Aquarium Hinged Glass Lid
7 sizes
(195)
$16.99 - $58.99
Buy any open glass tank, Get 20% off a glass hood
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® PF-S Silenstream Aquarium Filter Cartridges
2 sizes
(228)
$8.99 - $17.99
Buy 1 Get the 2nd 50% Top Fin, Tetra & Seachem Media
Save 35% On Your First Autoship Order!
+ 2 more
Top Fin® Element EF-S Filter Cartridges
3 sizes
(367)
$8.99 - $17.99
Buy 1 Get the 2nd 50% Top Fin, Tetra & Seachem Media
Save 35% On Your First Autoship Order!
+ 2 more
Top Fin® Compact Aquarium Heater
3 sizes
(469)
$14.59 - $33.99
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
Top Fin® Silenstream™ Aquarium Power Filter
5 sizes
(1485)
$15.59 - $49.99
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
Top Fin® Premium Aquarium Gravel - Classic Beach
(64)
$7.99
3X points (6% back in savings) on all aquatic gravel
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Premium Aquarium Gravel - Caribbean Sea Mix
2 sizes
(45)
$7.99 - $25.99
3X points (6% back in savings) on all aquatic gravel
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Silenstream Filter Cartridge - 3pk
(111)
$8.99
Buy 1 Get the 2nd 50% Top Fin, Tetra & Seachem Media
Save 35% On Your First Autoship Order!
+ 2 more
Top Fin® Anubias Barteri Live Aquatic Plant
(39)
$5.39
$6.99
Free Same-Day Delivery, No Order Minimum!
Top Fin® Aquarium Airline Tubing
2 sizes
(96)
$4.99 - $7.69
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
Top Fin® Aquarium Sponge Filter
3 sizes
(202)
$9.99 - $19.99
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
Top Fin® Floating Glass Aquarium Thermometer
(239)
$3.99
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
Top Fin® Anubias Frazeri Live Plant
(43)
$5.39
$6.99
Free Same-Day Delivery, No Order Minimum!
Top Fin® Anubias
3 sizes
(236)
$5.39 - $10.99
Free Same-Day Delivery, No Order Minimum!
Top Fin® Amazon Sword Live Plant
3 sizes 1 color
(165)
$5.39 - $12.99
Free Same-Day Delivery, No Order Minimum!
Top Fin® Fine Mesh Fish Net
(108)
$1.49
$2.49
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
Top Fin® Aquarium Water Conditioner
3 sizes
(239)
$4.19 - $9.99
Buy 1 Get the 2nd 25% Off Top Fin Food & Watercare (excludes Pond)
Save 35% On Your First Autoship Order!
+ 2 more
Top Fin® 36 Gallon Aquarium & Stand Ensemble Combo
(65)
$299.99
$449.99
Online Only! Save 20% on select tanks, terrariums and habitats
Top Fin® Bow Front Aquarium Starter Kit -  36 Gallon
(461)
$189.99
$194.99
Online Only! Save 20% on select tanks, terrariums and habitats
Free Same-Day Delivery, No Order Minimum!
Top Fin® Captivate Starter Kit
(414)
$129.99
$134.99
Online Only! Save 20% on select tanks, terrariums and habitats
Free Same-Day Delivery, No Order Minimum!
Top Fin® Aquarium Stand - 55 to 75 Gallon
(266)
$254.99
$299.99
Sign In & Enjoy Free Shipping Over $49
Top Fin® Silenstream™ Large Filter Cartridges
(135)
$14.99
Buy 1 Get the 2nd 50% Top Fin, Tetra & Seachem Media
Save 35% On Your First Autoship Order!
+ 2 more
Top Fin® Aquarium Stand - 55 to 75 Gallon
(141)
$209.99
$299.99
Sign In & Enjoy Free Shipping Over $49
Top Fin® Internal Filter Cartridges
(30)
$7.99
Buy 1 Get the 2nd 50% Top Fin, Tetra & Seachem Media
Save 35% On Your First Autoship Order!
+ 2 more
Top Fin® Split Bowfront Aquarium - 5 Gallon
(758)
$49.99
$59.99
Online Only! Save 20% on select tanks, terrariums and habitats
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® CN-S Corner Filter Cartridges
2 sizes
(48)
$8.99 - $14.99
Buy 1 Get the 2nd 50% Top Fin, Tetra & Seachem Media
Save 35% On Your First Autoship Order!
+ 2 more
Top Fin® 10 Gallon Angled Aquarium
(138)
$89.99
Online Only! Save 20% on select tanks, terrariums and habitats
Free Same-Day Delivery, No Order Minimum!
Top Fin® Custom Colorflow™ Aquarium with 7 Color-Changing LEDs
3 sizes
(1373)
$48.07 - $69.99
Online Only! Save 20% on select tanks, terrariums and habitats
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Half Moon Aquarium - 3.5 Gallon
(2068)
$39.99
$44.99
Online Only! Save 20% on select tanks, terrariums and habitats
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® 5 Gallon Shrimp & Plant Aquarium
(89)
$69.99
Online Only! Save 20% on select tanks, terrariums and habitats
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Aquarium Stand - 20 to 37 Gallon
(139)
$152.99
$179.99
Sign In & Enjoy Free Shipping Over $49
Top Fin® Aquarium Stand - 20 to 37 Gallon
(124)
$152.99
$179.99
Sign In & Enjoy Free Shipping Over $49
Top Fin® Premium Glass Aquarium - 5 Gallon
(1566)
$69.99
Online Only! Save 20% on select tanks, terrariums and habitats
Free Same-Day Delivery, No Order Minimum!
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Keeping your fish tank clean is a vital part of supporting the health and wellbeing of your fish. That means making sure that your tank’s filter is functioning properly. Shop PetSmart’s selection of fish tank filter media to find the best fit for your tank or aquarium. At PetSmart, you’ll find a wide variety of filter media for aquariums of every size, as well as the filter cartridges, foam pads, bulk media, filter bags, pre-filter accessories and other parts you need to keep their aquarium clean and healthy.
Looking for something other than fish tank filter media or filter cartridges? At PetSmart, we make sure it’s easy for you to find all the best aquarium filters and pump supplies for your fish tank or aquarium, including:
While you’re here, shop our collection of the best fish supplies like fish foodfeeders and more for your fishy friends!
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.