Filter Media

(111 results)
Top Fin® Large Power Filter Cartridges for Fish Tanks - 12 Count
(298)
$17.99
$18.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Buy Any Aquatic Filter and Get 20% Off All Aquatic Media
+ 2 more
Top Fin® PF-S Silenstream Aquarium Filter Cartridges - 3-12 Count
2 sizes
(244)
$9.59
$18.99
Options from
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Buy Any Aquatic Filter and Get 20% Off All Aquatic Media
+ 2 more
Top Fin® Element EF-S Filter Cartridges for Fish Tanks - 3-12 Count
3 sizes
(388)
$6.99
$15.99
Options from
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 40% On First Autoship Order of Aquatic Filter Media
+ 3 more
Top Fin® Silenstream™ Small Filter Cartridges for Fish Tanks - 6 Count
(67)
$9.99
$15.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 40% On First Autoship Order of Aquatic Filter Media
+ 3 more
Seachem® Purigen® Premium Synthetic Absorbent - Aquarium Filter Media
2 sizes
(68)
$9.89
$12.99
Options from
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 40% On First Autoship Order of Aquatic Filter Media
+ 3 more
Fluval AC20 Power Filter - Aquarium Filter Media for Fish Tanks
(12)
$41.99
$46.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Buy Any Aquatic Filter and Get 20% Off All Aquatic Media
+ 1 more
Top Fin® Silenstream™ Large Filter Cartridges for Fish Tanks - 6 Count
(137)
$17.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 40% On First Autoship Order of Aquatic Filter Media
+ 3 more
Top Fin® Retreat™ RF-L Filter Cartridges for Fish Tanks - 6 Count
(109)
$15.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 40% On First Autoship Order of Aquatic Filter Media
+ 3 more
Top Fin® Internal Filter Cartridges - IF-S for Fish Tanks - 10 Gallon
(36)
$7.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 40% On First Autoship Order of Aquatic Filter Media
+ 3 more
Top Fin® CN-S Corner Filter Cartridges for Fish Tanks - 3-6 Count
2 sizes
(52)
$8.99
Options from
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 40% On First Autoship Order of Aquatic Filter Media
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FLUVAL Active Carbon Insert 3-Pack - Aquarium Filter Media for Fish Tanks
3 sizes
(16)
$6.99
$7.99
Options from
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 40% On First Autoship Order of Aquatic Filter Media
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Marineland® Penguin Rite Size C Power Filter Cartridges for Fish Tank Filters
(84)
$19.97
$24.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 40% On First Autoship Order of Aquatic Filter Media
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Top Fin® Silenstream Filter Cartridge for Fish Tanks - 3 Count
(122)
$17.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 40% On First Autoship Order of Aquatic Filter Media
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Top Fin® Internal Filter Cartridges - IF-M for Fish Tanks - 20 Gallon
(25)
$7.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 40% On First Autoship Order of Aquatic Filter Media
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Tetra® Whisper Bio-Bag Disposable Filter Cartridge - Biological Aquarium Filter Media
2 sizes
(154)
$6.47
$8.99
Options from
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Buy Any Aquatic Filter and Get 20% Off All Aquatic Media
+ 2 more
Fluval® FX5 Filter Foam Inserts Aquarium Filter Media for Fish Tank Filters
(7)
$24.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 40% On First Autoship Order of Aquatic Filter Media
+ 3 more
FLUVAL AC BioMax Insert 1-Pack - Biological Aquarium Filter Media for Fish Tanks
3 sizes
(20)
$2.99
$6.99
Options from
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 40% On First Autoship Order of Aquatic Filter Media
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Top Fin® Pro Power Filter Media Pack for Aquariums - 30-110 Gallon
4 sizes
(46)
$7.99
Options from
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Save 40% On First Autoship Order of Aquatic Filter Media
+ 3 more
Fluval® Quick Clear Water Polishing Pad 306/307/406/407 - 6PK
(18)
$10.99
$11.59
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 40% On First Autoship Order of Aquatic Filter Media
+ 3 more
Fluval® UltraGrade Carbon - Aquarium Filter Media
(10)
$14.99
$15.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 40% On First Autoship Order of Aquatic Filter Media
+ 3 more
Marineland® Rite Size Emperor Power Filter Cartridge - Replacement Aquarium Filter Media
(33)
$12.77
$16.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 40% On First Autoship Order of Aquatic Filter Media
+ 3 more
Top Fin® Universal Granular Activated Carbon U-Media - 40 oz
(21)
$13.29
$19.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 40% On First Autoship Order of Aquatic Filter Media
+ 3 more
Aqueon® QuietFlow Replacement Aquarium Filter Cartridges for Fish Tank Filters
2 sizes
(199)
$17.95
$19.99
Options from
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 40% On First Autoship Order of Aquatic Filter Media
+ 3 more
Top Fin® Nitrate & Nitrite Filter Pad - Aquarium Media
(0)
$7.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 40% On First Autoship Order of Aquatic Filter Media
+ 1 more
FLUVAL Bio-Foam Filter Insert 1-Pack - Biological Aquarium Filter Media for Fish Tanks
4 sizes
(14)
$3.49
$3.99
Options from
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 40% On First Autoship Order of Aquatic Filter Media
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Top Fin® Universal Ceramic Rings - Aquarium Filter Media - 2 Count
(10)
$2.29
$3.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
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Top Fin® Ceramic Rings - Aquarium Filter Media - 26.4 oz
(16)
$6.99
$13.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 40% On First Autoship Order of Aquatic Filter Media
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Top Fin® Filter Fiber Pad U-Media for Aquariums
(56)
$6.19
$11.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 40% On First Autoship Order of Aquatic Filter Media
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Top Fin® Filter Media Bag for Aquariums - Small-Large
2 sizes
(74)
$1.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 40% On First Autoship Order of Aquatic Filter Media
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Aqueon® Replacement Filter Cartridges Large - 6 Pack - Replacement Aquarium Filter Media
(112)
$20.95
$24.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 40% On First Autoship Order of Aquatic Filter Media
+ 2 more
Fluval FX2 Bio Foam Max - Biological Aquarium Filter Media for Fish Tanks
(1)
$19.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 40% On First Autoship Order of Aquatic Filter Media
+ 3 more
Fluval Bio-FX Biological Filter Media - 5 L for Aquariums
(6)
$49.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 40% On First Autoship Order of Aquatic Filter Media
+ 3 more
Seachem® Matrix™ - Aquarium Filter Media
3 sizes
(20)
$8.79
Options from
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 40% On First Autoship Order of Aquatic Filter Media
+ 3 more
Top Fin® Retreat Filter Cartridge for Fish Tanks - 3 Count
2 sizes
(54)
$8.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 40% On First Autoship Order of Aquatic Filter Media
+ 3 more
Top Fin® CN-L Corner Filter Cartridges for Fish Tanks - 3 Count
(15)
$8.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 40% On First Autoship Order of Aquatic Filter Media
+ 3 more
Fluval Phosphate Resin Infused Pads - Aquarium Filter Media for Fish Tanks
(6)
$10.99
$11.59
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 40% On First Autoship Order of Aquatic Filter Media
+ 3 more
Fluval® 207/307 & 206/306 Bio-Foam Max Filter Pad - 2pk - Biological Aquarium Filter Media
(6)
$4.49
$7.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 40% On First Autoship Order of Aquatic Filter Media
+ 3 more
Top Fin® Retreat™ RF-S Filter Cartridges for Fish Tanks - 6 Count
(106)
$9.99
$15.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 40% On First Autoship Order of Aquatic Filter Media
+ 3 more
Aqueon® Replacement Aquarium Filter Cartridges - Small - Replacement Aquarium Filter Media
(54)
$9.95
$11.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 40% On First Autoship Order of Aquatic Filter Media
+ 3 more
Fluval® BioMax Media for Biological Aquarium Filters
(20)
$19.99
$22.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 40% On First Autoship Order of Aquatic Filter Media
+ 3 more
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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 food, feeders 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.