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    • eBay
    • Pet Supplies
    • Fish & Aquariums
    • Filter Media & Accessories

    Aquarium Filter Media & Accessories

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    Shop by Category

    • Fish & Aquariums
    • Filter Media & Accessories
    • Air Stones
    • Algae Repellent
    • Aquariums & Tanks
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      • Pumps (Water)
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      • Water Tests & Treatment
      • Other Fish & Aquarium Supplies

    Best Selling

    See All- Best Selling
    • Boyd Enterprises Chemi-Pure Filtration Media for Aquarium 11 Oz - Blue
      Boyd Enterprises Chemi-Pure Filtration Media for Aquarium 11 Oz - Blue
      (28)Total Ratings 28
      $20.53 New
    • 2 Cubic Foot K2 Filter Media Moving Bed Biofilm Reactor MBBR Aquaponics Aquac...
      2 Cubic Foot K2 Filter Media Moving Bed Biofilm Reactor MBBR Aquaponics Aquac...
      (8)Total Ratings 8
      $53.99 New
    • Boyd Enterprises Abe767438 Chemi Elite BULK for Aquarium 350ml
      Boyd Enterprises Abe767438 Chemi Elite BULK for Aquarium 350ml
      (10)Total Ratings 10
      $70.79 New
    • Brightwell Aquatics xPort Bio Brick Superior Aquarium Biological Filter Media
      Brightwell Aquatics xPort Bio Brick Superior Aquarium Biological Filter Media
      $47.99 New
    • Red Sea Felt Filter Bag - 225 Micron Arer42196
      Red Sea Felt Filter Bag - 225 Micron Arer42196
      $10.99 New
    • Fluval 11078 ProVAC Dual Density Filter Pad - 4 Pack
      Fluval 11078 ProVAC Dual Density Filter Pad - 4 Pack
      (32)Total Ratings 32
      $10.95 New
    • Boyd Enterprises Chemi-Pure Elite for Aquarium - 11.74oz
      Boyd Enterprises Chemi-Pure Elite for Aquarium - 11.74oz
      (69)Total Ratings 69
      $15.99 New
    • Marineland Diamond Filtration Media Activated Carbon 3.65 L Ponds (Marineland)
      Marineland Diamond Filtration Media Activated Carbon 3.65 L Ponds (Marineland)
      (70)Total Ratings 70
      $21.88 New
    • All

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    • Time: ending soonest
    • Time: newly listed
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    • Price + Shipping: highest first
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    • List View

    9,425 Results

      • Carbon
      • Bags
      • Bio Balls
      • Cartridge
      • Sponge/Foam
      • Ammonia Remover
      • Phosphate Remover
      • Filter Sock
      • Nitrate Remover
      • Pad/Felt
      • Filter Wool
      • K1 Filter Media
      • All Water Types
      • Fresh
      • Pond
      • Marine
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      • 200 gal.
      • All Listings filter applied
    • 8-Layer 8D Aquarium Filter Media Pad Cut to Fit for Fish Tank Canister Filter

      8-Layer 8D Aquarium Filter Media Pad Cut to Fit for Fish Tank Canister Filter

      $7.50 to $14.99
      Was: $9.99
    • Bio Sponge Filter Media Pad Cut-to-fit Foam up to 23.6" for Aquarium Fish Tank

      Bio Sponge Filter Media Pad Cut-to-fit Foam up to 23.6" for Aquarium Fish Tank

      $11.39 to $13.99
      499 sold
    • 15-FT ROLL BLUE BONDED AQUARIUM FILTER MEDIA PAD 12" X 15' FILTER FIBER FLOSS

      15-FT ROLL BLUE BONDED AQUARIUM FILTER MEDIA PAD 12" X 15' FILTER FIBER FLOSS

      $15.95
      451 sold
    • 8D Aquarium Filter Media 8-Layer Filter Pads Bio Sponge Foam for Fish Tank Pond

      8D Aquarium Filter Media 8-Layer Filter Pads Bio Sponge Foam for Fish Tank Pond

      $7.49 to $14.99
      Free shipping
      85 sold
    • 6 lbs Activated Carbon in 6 Media Bags for Aquarium Fish Pond Canister Filter

      6 lbs Activated Carbon in 6 Media Bags for Aquarium Fish Pond Canister Filter

      $18.80
      Free shipping
      or Best Offer
    • Seachem Matrix Biological Media (Free Shipping)

      Seachem Matrix Biological Media (Free Shipping)

      (10)10 product ratings - Seachem Matrix Biological Media (Free Shipping)
      $10.95 to $29.95
      138 sold
    • Aquatop CF400-UV Replacement Fine Filter Pads 3 Pack for AquaTop Canister Filter

      Aquatop CF400-UV Replacement Fine Filter Pads 3 Pack for AquaTop Canister Filter

      (2)2 product ratings - Aquatop CF400-UV Replacement Fine Filter Pads 3 Pack for AquaTop Canister Filter
      $15.99
      Free shipping
      or Best Offer
    • Filter Foam Blocks / Pads  Sponge AQUARIUM SAFE (NO CHEMICAL TREATMENTS)

      Filter Foam Blocks / Pads Sponge AQUARIUM SAFE (NO CHEMICAL TREATMENTS)

      $0.99 to $471.17
      67 sold
    • Aquarium Activated Carbon Filter Media Bag Canister Reef Pond 5 10 15 20 25 40

      Aquarium Activated Carbon Filter Media Bag Canister Reef Pond 5 10 15 20 25 40

      $15.95 to $79.95
      230 sold
    • AQUANEAT® Replacement Canister Filter Pads Compatible to Cascade 700/1000 Sponge

      AQUANEAT® Replacement Canister Filter Pads Compatible to Cascade 700/1000 Sponge

      $16.99
      405 sold
    • Seachem Purigen

      Seachem Purigen

      $10.99 to $208.36
      Free shipping
      51 sold
    • 12" x 72" x1" Aquarium Bio Sponge Filter Pad Cut-to-Fit Open Cell Foam Fish Sump

      12" x 72" x1" Aquarium Bio Sponge Filter Pad Cut-to-Fit Open Cell Foam Fish Sump

      $5.99 to $39.99
      Free shipping
    • DI Resin, Color Changing Mixed Bed Ion Exchange Nuclear Grade (1-10 lbs)

      DI Resin, Color Changing Mixed Bed Ion Exchange Nuclear Grade (1-10 lbs)

      $16.30 to $89.95
    • Moving Bed Filter Media MBBR, Better than Kaldnes, Filter Media - 4 Cubic Feet

      Moving Bed Filter Media MBBR, Better than Kaldnes, Filter Media - 4 Cubic Feet

      $121.95 to $128.95
      Free shipping
      126 sold
      SPONSORED
    • Classic Koi Pond Fine Filter Pad Durable White Bulk Roll Fish Pond Filter Media

      Classic Koi Pond Fine Filter Pad Durable White Bulk Roll Fish Pond Filter Media

      $34.99 to $119.99
      SPONSORED
    • 50 lbs Bulk Activated Carbon Premium Aquarium Filter Media Pond Reef Canister

      50 lbs Bulk Activated Carbon Premium Aquarium Filter Media Pond Reef Canister

      $109.95
      2,019 sold
      SPONSORED
    • Activated Carbon Grade A 5 lbs Canister Filter Media Mesh Bag Aquarium Pond

      Activated Carbon Grade A 5 lbs Canister Filter Media Mesh Bag Aquarium Pond

      $19.95
      2,279 sold
    • 6-Pack Pre-Filter Sponge for Aquarium Fish Tank Filter Replacement Foam Cover

      6-Pack Pre-Filter Sponge for Aquarium Fish Tank Filter Replacement Foam Cover

      $7.99 to $13.99
    • AQUANEAT® Replacement Canister Filter Pad SUNSUN HW-304B/404B/704B/3000

      AQUANEAT® Replacement Canister Filter Pad SUNSUN HW-304B/404B/704B/3000

      $18.99
      3,247 sold
    • Penguin Marineland Filter Power Rite 6ct, Size B Cartridges 100,125,175

      Penguin Marineland Filter Power Rite 6ct, Size B Cartridges 100,125,175

      $14.99
      Free shipping
      Only 2 left
    • 20 lbs Bulk Activated Carbon Premium Aquarium Filter Media Pond Reef Canister

      20 lbs Bulk Activated Carbon Premium Aquarium Filter Media Pond Reef Canister

      $48.95
      2,816 sold
    • Filter Socks 4" ring x 10" long Felt 200 Micron sock Aquarium Reef Wet Dry Sump

      Filter Socks 4" ring x 10" long Felt 200 Micron sock Aquarium Reef Wet Dry Sump

      $6.79 to $70.99
      Free shipping
    • AQUANEAT 16pcs Replacement Canister Filter Pads for SUNSUN HW-303B/703B

      AQUANEAT 16pcs Replacement Canister Filter Pads for SUNSUN HW-303B/703B

      $17.39
      107 sold
    • 12 in 1 Bio Balls Ceramic Rings Aquarium Filter Media for Fish Tank 5.5lbs 11lbs

      12 in 1 Bio Balls Ceramic Rings Aquarium Filter Media for Fish Tank 5.5lbs 11lbs

      $9.95 to $41.95
      Free shipping
    • Seachem Purigen Ultimate Filtration Marine & Freshwater Aquariums, Free Shipping

      Seachem Purigen Ultimate Filtration Marine & Freshwater Aquariums, Free Shipping

      $12.95 to $59.95
      50 sold
    • 12 Foam Filter Pads For Aqua Clear 70 / 300 AquaClear

      12 Foam Filter Pads For Aqua Clear 70 / 300 AquaClear

      $18.94
      Free shipping
      or Best Offer
    • Aquarium Bio Ceramic Rings 6 lbs in 6 Filter Media Bags for Fish Canister Filter

      Aquarium Bio Ceramic Rings 6 lbs in 6 Filter Media Bags for Fish Canister Filter

      $22.99
      2,867 sold
    • 10-ft ROLL Blue Bonded Aquarium Media Pad 12" x 10' Fiber Floss Filter Material

      10-ft ROLL Blue Bonded Aquarium Media Pad 12" x 10' Fiber Floss Filter Material

      $15.99
      4,768 sold
    • AQUANEAT® Replacement Canister Filter Pads Compatible to SUNSUN HW 402B Sponge

      AQUANEAT® Replacement Canister Filter Pads Compatible to SUNSUN HW 402B Sponge

      $12.99
      Was: $14.59
      328 sold
      SPONSORED
    • AQUANEAT Aquarium Activated Carbon Filter Media Pad for Fish Tank Pond Filter

      AQUANEAT Aquarium Activated Carbon Filter Media Pad for Fish Tank Pond Filter

      $8.88 to $21.99
      SPONSORED
    • Reticulated Open Cell Foam Sponge Filter Pad Media Aquarium Fish HMF Sump 23"

      Reticulated Open Cell Foam Sponge Filter Pad Media Aquarium Fish HMF Sump 23"

      $13.99
      256 sold
      SPONSORED
    • 6 pcs Filter Media Mesh Bags 8" x 5.5" Zipper Reusable aquarium fish koi pond

      6 pcs Filter Media Mesh Bags 8" x 5.5" Zipper Reusable aquarium fish koi pond

      $5.69
      736 sold
      SPONSORED
    • AQUANEAT® Replacement Bio Sponge Filter Pad for CPF-2500 Pressure Pond Filter

      AQUANEAT® Replacement Bio Sponge Filter Pad for CPF-2500 Pressure Pond Filter

      $29.99
      Was: $35.99
      396 sold
    • Marineland Magnum 350/330/220 Carbon/Media Canister and Lid Used

      Marineland Magnum 350/330/220 Carbon/Media Canister and Lid Used

      (2)2 product ratings - Marineland Magnum 350/330/220 Carbon/Media Canister and Lid Used
      $13.99
      $8.00 shipping
    • NEW DESIGN ! Moving Bed Filter Media Better Than Kaldnes K1 Aquarium Pond Koi

      NEW DESIGN ! Moving Bed Filter Media Better Than Kaldnes K1 Aquarium Pond Koi

      $17.99
      452 sold
    • BOYD CHEMI PURE BLUE 11 OZ AQUARIUM FILTER MEDIA - CHEMIPURE CARBON GFO IN BAG

      BOYD CHEMI PURE BLUE 11 OZ AQUARIUM FILTER MEDIA - CHEMIPURE CARBON GFO IN BAG

      (28)28 product ratings - BOYD CHEMI PURE BLUE 11 OZ AQUARIUM FILTER MEDIA - CHEMIPURE CARBON GFO IN BAG
      $20.53
      187 sold
    • Acurel Phosphate Remover Infused Media Pad 10x18" Fish Tank Aquarium Filtration

      Acurel Phosphate Remover Infused Media Pad 10x18" Fish Tank Aquarium Filtration

      $10.99
    • Aquarium Bio Ceramic Rings 6 lbs in 6 Filter Media Bags for Fish Canister Filter

      Aquarium Bio Ceramic Rings 6 lbs in 6 Filter Media Bags for Fish Canister Filter

      $7.25 to $85.99
      Free shipping
    • Mini Aquarium Fish Tank Filter Glass Pipes Spin Violet Outflow Inflow Lily Tubes

      Mini Aquarium Fish Tank Filter Glass Pipes Spin Violet Outflow Inflow Lily Tubes

      $11.89 to $21.99
      Free shipping
      SPONSORED
    • 6 FOAM FILTER PADS FOR AQUACLEAR 110 / 500 FREE SHIPPING! MADE IN USA!!! A-623

      6 FOAM FILTER PADS FOR AQUACLEAR 110 / 500 FREE SHIPPING! MADE IN USA!!! A-623

      $19.95
      429 sold
      SPONSORED
    • Eclipse System 2/3 Marineland Filter Replacement Cartridges Size H BY YFS

      Eclipse System 2/3 Marineland Filter Replacement Cartridges Size H BY YFS

      $14.99 to $39.99
      94 sold
    • Reticulated Open Cell Foam Sponge Filter Pad Media Aquarium Fish HMF Sump 11"

      Reticulated Open Cell Foam Sponge Filter Pad Media Aquarium Fish HMF Sump 11"

      $8.99
      292 sold
    • Lot Of 4 Pack Marineland Cartridge Replacement Rite-Size Z Total Of 12 Filters

      Lot Of 4 Pack Marineland Cartridge Replacement Rite-Size Z Total Of 12 Filters

      $15.00
      301 sold
    • AQUANEAT® Replacement Canister Filter Pads Compatible to SUNSUN HW-302 CF300

      AQUANEAT® Replacement Canister Filter Pads Compatible to SUNSUN HW-302 CF300

      $14.88
    • Biohome Ultimate Filter Media 2 lb

      Biohome Ultimate Filter Media 2 lb

      $37.88
      Free shipping
      132 sold
    • RA Chemi-Pure Blue - 5.5 oz

      RA Chemi-Pure Blue - 5.5 oz

      $10.43
      Free shipping
    • 5 lbs Grade A, Activated Carbon in 5 Media Bags for Aquarium Fish Pond Canister

      5 lbs Grade A, Activated Carbon in 5 Media Bags for Aquarium Fish Pond Canister

      $18.00
      Free shipping
    • Fluval Replacement Parts FX4/FX5/FX6 Genuine Spares Pumps Impellers O-Rings Hose

      Fluval Replacement Parts FX4/FX5/FX6 Genuine Spares Pumps Impellers O-Rings Hose

      (4)4 product ratings - Fluval Replacement Parts FX4/FX5/FX6 Genuine Spares Pumps Impellers O-Rings Hose
      $5.62 to $249.64
      $25.40 shipping
      21 sold

    Results Pagination - Page 1

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    Top Rated

    See All- Top Rated
    • Seachem Purigen (0165) - 100ml
      Seachem Purigen (0165) - 100ml
      (172)Total Ratings 172
      100% agree - Would recommend
      $10.50 New
    • Boyd Enterprises Chemi-Pure Elite for Aquarium - 11.74oz
      Boyd Enterprises Chemi-Pure Elite for Aquarium - 11.74oz
      (69)Total Ratings 69
      100% agree - Would recommend
      $15.99 New
    • Bio Marine Poly Filter Floss Pad 4"" x 8"" - Fresh and Saltwater Aquariums
      Bio Marine Poly Filter Floss Pad 4"" x 8"" - Fresh and Saltwater Aquariums
      (43)Total Ratings 43
      100% agree - Would recommend
      $10.65 New
    • Boyd Enterprises Chemi-Pure Filtration Media for Aquarium 11 Oz - Blue
      Boyd Enterprises Chemi-Pure Filtration Media for Aquarium 11 Oz - Blue
      (28)Total Ratings 28
      100% agree - Would recommend
      $20.53 New
    • Seachem Matrix Bio Media 1 Liter
      Seachem Matrix Bio Media 1 Liter
      (25)Total Ratings 25
      100% agree - Would recommend
      $18.97 New
    • Boyd Enterprises Chemi Pure Elite 6.5 Oz - Treats 25 Gallons Cpe06
      Boyd Enterprises Chemi Pure Elite 6.5 Oz - Treats 25 Gallons Cpe06
      (16)Total Ratings 16
      100% agree - Would recommend
      $8.00 New
    • Cermedia MarinePure 1 5inch Sphere Biofilter Media for Marine and Freshwater
      Cermedia MarinePure 1 5inch Sphere Biofilter Media for Marine and Freshwater
      (12)Total Ratings 12
      100% agree - Would recommend
      $28.89 New
    • Hikari Bacto-surge Foam Filter XL 125 Gallon
      Hikari Bacto-surge Foam Filter XL 125 Gallon
      (11)Total Ratings 11
      100% agree - Would recommend
      $25.95 New
    You May Also Like
    • Seachem Aquarium Filter Media and Accessories

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    • Aquarium Carbon Filter Media and Accessories

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    • Bio Balls Aquarium Filters

    • Other Fish & Aquarium Supplies

    • Seachem Aquarium Cleaning and Maintenance

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      Phosphate Remover

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