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    Best Seller
    Penn Plax Cascade Hang-on Power Filter Replacement Cartridges - Three Pack

    Penn Plax Cascade Hang-on Power Filter Replacement Cartridges - Three Pack

    The Penn Plax Cascade 300 GPH Filter Cartridges with Activated Carbon will improve the quality of your aquarium water and keep your fish healthy. This 3 Pack of Filter Cartridge Replacements is designed to fit the your Cascade 300 GPH hang-on power... more

    $26.99

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    Penn-Plax Cascade Hang-on Aquarium Filter Quad Filtration System 100 Gallon

    Penn-Plax Cascade Hang-on Aquarium Filter Quad Filtration System 100 Gallon

    The Cascade 300 Power Hang-On Filter quietly delivers crystal clear water throughout the aquarium. This filter pushes water at 300 gallons per hour (GPH) for tanks up to 100 Gallons in size. It’s great for Freshwater and Saltwater Aquariums. more

    $65.00

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    Penn-Plax Cascade Max Flow Aquarium Canister Filter 820 Gallons per Hour

    Penn-Plax Cascade Max Flow Aquarium Canister Filter 820 Gallons per Hour

    PENN-PLAX presents the Cascade Max Flow Canister Filter. Without effort this canister filter runs at a stunning 820 Gallons per Hour and is purposely designed for larger aquariums ranging from 164 to 273 gallons. Though optimal size is 205 gallons. It... more

    $279.00

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    Penn Plax Cascade Aquarium Canister Filters Cascade 700 Aquarium Canister Filter – 185 Gallons Per Hour Aquarium Accessory Acrylic (shatterproof w/ great clarity) | Wayfair

    Penn Plax Cascade Aquarium Canister Filters Cascade 700 Aquarium Canister Filter – 185 Gallons Per Hour Aquarium Accessory Acrylic (shatterproof w/ great clarity) | Wayfair

    Without effort, the Cascade 700 Canister Filter quietly delivers crystal clear water throughout the tank. This filter cycles water at 185 Gallons per Hour, and is recommended for aquariums up to 65 gallons. It’s compatible for both freshwater and... more

    $142.60

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    Penn Plax 150 Power Hang-On Aquarium Filter, Crystal in Black/Blue | 6.75 H x 7.25 W x 4.75 D in | Wayfair CPF3

    Penn Plax 150 Power Hang-On Aquarium Filter, Crystal in Black/Blue | 6.75 H x 7.25 W x 4.75 D in | Wayfair CPF3

    The 150 quietly delivers crystal clear water, and pushes water at 150 Gallons per Hour (GPH) for tanks up to 35 Gallons in size. It’s great for Freshwater and Saltwater aquariums. Accommodating: The adjustable flow knob allows for increased or... more

    $45.92

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    Penn Plax 1200 Canister Filter, Crystal in Blue | 20.5 H x 11.5 W x 11 D in | Wayfair CCF4UL

    Penn Plax 1200 Canister Filter, Crystal in Blue | 20.5 H x 11.5 W x 11 D in | Wayfair CCF4UL

    Without effort, the 1200 Canister Filter quietly delivers crystal clear water throughout the tank. This filter cycles water at 315 Gallons per Hour, and is recommended for aquariums up to 150 gallons. It’s compatible for both freshwater and saltwater... more

    $208.84

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    Medium Power Filter Replacement Cartridges, 6.5 IN

    Medium Power Filter Replacement Cartridges, 6.5 IN

    Precision design to fit the Petco Power Filter 30 C with Bio-Falls technology and the Penn Plax Cascade 100. Each cartridge contains activated carbon for water clarity. For use with 10-30 gallon tanks. more

    $7.99

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    Sponge Bob Kit with filter, 1.5 gal.

    Sponge Bob Kit with filter, 1.5 gal.

    SpongeBob's Krabby Patty Betta Kit! This plastic tank with lid comes with a fun top decor, background and stickers! This also includes an internal filter. more

    $20.99

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    Cascade 700 Aquarium Canister Filter, 185 GAL

    Cascade 700 Aquarium Canister Filter, 185 GAL

    Without effort, the Cascade 700 Canister Filter quietly delivers crystal clear water throughout the tank. This filter cycles water at 185 Gallons per Hour, and is recommended for aquariums up to 65 gallons. It's compatible for both freshwater and... more

    $119.99

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    Penn Plax UGK Ug Filter Upgrade Kit

    Penn Plax UGK Ug Filter Upgrade Kit

    The Penn-Plax Undergravel Upgrade Kit is for converting all 1 lift tube undergravel filters (Perfecto Aquology Hydroclear etc.). Includes: TWO Filt-A-Carb (FC4) Disposable Carbon Cartridges containing top quality activated carbon to remove harmful... more

    $8.50

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    Penn-Plax Reptology Internal Filter for Turtle Tanks and Reptile Terrariums – 175 GPH

    Penn-Plax Reptology Internal Filter for Turtle Tanks and Reptile Terrariums – 175 GPH

    Reptology presents the 175 GPH Fully Submersible Internal Filter by Penn-Plax. This submersible filter quietly delivers crystal clear water throughout turtle tanks and reptile terrariums. It cycles water at 175 Gallons per Hour (GPH) for tanks up to 50... more

    $54.99

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    Penn-Plax Cascade Canister Filter Replacement Motor Gasket

    Penn-Plax Cascade Canister Filter Replacement Motor Gasket

    Enhance the performance of your Cascade 1200 and 1500 aquarium canister filters with the Cascade Canister Filter 1200 & 1500 Motor Gasket. This replacement seal is meticulously designed to ensure optimal filter functionality maintaining the efficiency... more

    $14.20

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    Penn Plax The Bubbler Aquarium Bottom Filter with 1/2 Lift Tube

    Penn Plax The Bubbler Aquarium Bottom Filter with 1/2 Lift Tube

    Elevate the cleanliness and health of your small aquarium or fish bowl with the Penn Plax The Bubbler Aquarium Bottom Filter with 1/2 Lift Tube. This refined filtration system combines simplicity with efficiency to deliver optimal performance in... more

    $15.25

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    Penn-Plax CPF310 Cascade Power Filter Replacement Bio-Sponge

    Penn-Plax CPF310 Cascade Power Filter Replacement Bio-Sponge

    Enhance the vitality of your aquarium ecosystem with Cascade Power Filter Bio-Sponge Cartridges. These durable bio-sponges serve as the perfect replacement solution to ensure your Cascade filter operates at its peak performance effortlessly optimizing... more

    $8.62

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    Penn-Plax Cascade 1200/1500 GPH Canister Filter Aquarium Bio Sponge Replacement; 1 Pack

    Penn-Plax Cascade 1200/1500 GPH Canister Filter Aquarium Bio Sponge Replacement; 1 Pack

    The Penn Plax Cascade 1200/1500 GPH Canister Filter Aquarium Bio Sponge keeps the water in your aquarium clean and clear. This Cascade filter sponge removes ammonia and nitrites from the water keeping your fish tank healthy; clean; and odor free. This... more

    $13.84

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    Penn-Plax Cascade 1200 Aquarium Canister Filter – 315 Gallons per Hour

    Penn-Plax Cascade 1200 Aquarium Canister Filter – 315 Gallons per Hour

    Penn-Plax presents the Cascade 1200 Canister Filter. Without effort the Cascade 1200 Canister Filter quietly delivers crystal clear water throughout the tank. This filter cycles water at 315 Gallons per Hour and is recommended for aquariums up to 150... more

    $197.99

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    Penn-Plax Clear-Free Premium Under Gravel Aquarium Filter (UGF) – Freshwater and Saltwater Safe – Suitable for 10 Gallon Tanks

    Penn-Plax Clear-Free Premium Under Gravel Aquarium Filter (UGF) – Freshwater and Saltwater Safe – Suitable for 10 Gallon Tanks

    Penn-Plax presents the Clear-Free Premium Under Gravel Aquarium Filter. Those who’ve been around the aquatic block for a while know that Under Gravel Filters (UGFs) are a testament of time. This Filter is air driven and utilizes an Air Pump (not... more

    $25.99

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    Penn-Plax Cascade 300 Submersible Aquarium Filter Cleans Up to 10 Gallons

    Penn-Plax Cascade 300 Submersible Aquarium Filter Cleans Up to 10 Gallons

    The Cascade 300 Submersible Filter quietly delivers crystal clear water throughout the aquarium. This filter cycles water at 70 Gallons per Hour (GPH) for tanks up to 10 Gallons in size. It’s great for Freshwater and Saltwater aquariums along with a... more

    $27.00

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    Penn Plax PP27301 Check-Valve - Air Filter

    Penn Plax PP27301 Check-Valve - Air Filter

    Check Valve helps protect your air pump against water damage and supply clean air to your aquarium. The connector end toward aquarium can fit standard or mini tubing.Features Provides clean filtered air to your aquarium. Keeps your air pump safe from... more

    $9.80 $7.86

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    Penn-Plax Cascade 80 Power Filter – Hang-on Filter with Quad Filtration

    Penn-Plax Cascade 80 Power Filter – Hang-on Filter with Quad Filtration

    Penn-Plax presents the Cascade 80 Power Hang-On Filter. This filter quietly delivers crystal clear water and pushes water at 80 Gallons per Hour (GPH) for tanks up to 10 Gallons in size. It’s great for Freshwater and Saltwater aquariums. Shop... more

    $33.85

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    Penn Plax Smallworld Carbon/Floss Filter Cartridges

    Penn Plax Smallworld Carbon/Floss Filter Cartridges

    Elevate your small fishbowl maintenance routine with the Penn Plax Small World Fishbowl Filter Replacement Cartridge. Designed specifically for use with the Penn-Plax Small World filter kit this replacement cartridge is the ultimate solution for... more

    $10.31 $9.56

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    Penn-Plax Bio-Sponge Replacement Pads for Max Flow Canister Filter 2 Pack

    Penn-Plax Bio-Sponge Replacement Pads for Max Flow Canister Filter 2 Pack

    Cascade presents Bio-Sponge Replacement Pads for Cascade Max Flow Canister Aquarium Filters. This 2-Pack of Cascade Bio-Sponge Pads is specially designed for Cascade Max Flow Canister Filters allowing for simple and easy media replenishment. Don not... more

    $25.99

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    Penn-Plax Cascade 600 Fully Submersible Internal Aquarium Filter

    Penn-Plax Cascade 600 Fully Submersible Internal Aquarium Filter

    Penn-Plax presents the Cascade 600 Fully Submersible Internal Filter. In addition to delivering crystal clear water throughout the aquarium this filter cycles water at 175 Gallons per Hour (GPH) for tanks up to 50 Gallons in size. It’s great for... more

    $54.99

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    Penn-Plax Cascade 400 Fully Submersible Internal Aquarium Filter

    Penn-Plax Cascade 400 Fully Submersible Internal Aquarium Filter

    Penn-Plax presents the Cascade 400 Fully Submersible Internal Filter. In addition to delivering crystal clear water throughout the aquarium this filter cycles water at 110 Gallons per Hour (GPH) for tanks up to 20 Gallons in size. It’s great for... more

    $38.90

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    Penn-Plax Aquarium Filter Cartridge

    Penn-Plax Aquarium Filter Cartridge

    Penn-Plax Aquarium Filter Cartridge more

    $13.09

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    Penn-Plax Reptology Internal Filter for Turtle Tanks and Reptile Terrariums – 45 GPH

    Penn-Plax Reptology Internal Filter for Turtle Tanks and Reptile Terrariums – 45 GPH

    Reptology presents the 45 GPH Fully Submersible Internal Filter by Penn-Plax. This submersible filter quietly delivers crystal clear water throughout turtle tanks and reptile terrariums. It cycles water at 45 Gallons per Hour (GPH) for tanks up to 10... more

    $25.41

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    Penn-Plax CIF10 Cascade 300 Internal Carbon Filter Cartridges

    Penn-Plax CIF10 Cascade 300 Internal Carbon Filter Cartridges

    Cascade filter replacement cartridges from Penn-Plax work to keep your aquarium water clean & clear. Each pack contains 2 disposable filters specially designed to fit your Cascade 300 internal power filter. Each filter uses activated carbon to remove... more

    $19.93 $10.06

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    Penn-Plax Cascade 300 Fully Submersible Internal Aquarium Filter

    Penn-Plax Cascade 300 Fully Submersible Internal Aquarium Filter

    Penn-Plax presents the Cascade 300 Fully Submersible Internal Filter. In addition to delivering crystal clear water throughout the aquarium this filter cycles water at 70 Gallons per Hour (GPH) for tanks up to 10 Gallons in size. It’s great for... more

    $33.83 $29.37

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    Penn-Plax Cascade 100 Power Filter – Hang-On Filter with Quad Filtration

    Penn-Plax Cascade 100 Power Filter – Hang-On Filter with Quad Filtration

    Penn-Plax presents the Cascade 100 Power Hang-On Filter. This filter quietly delivers crystal clear water and pushes water at 100 Gallons per Hour (GPH) for tanks up to 20 Gallons in size. It’s great for Freshwater and Saltwater aquariums. Shop... more

    $44.00

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    Penn-Plax Cascade 700 Aquarium Canister Filter – 185 Gallons per Hour for tanks up to 65 Gal

    Penn-Plax Cascade 700 Aquarium Canister Filter – 185 Gallons per Hour for tanks up to 65 Gal

    Penn-Plax presents the Cascade 700 Canister Filter. Without effort the Cascade 700 Canister Filter quietly delivers crystal clear water throughout the tank. This filter cycles water at 185 Gallons per Hour and is recommended for aquariums up to 65... more

    $134.99

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    Penn-Plax Cascade Powered Aquarium Nano Sponge Filter – Black

    Penn-Plax Cascade Powered Aquarium Nano Sponge Filter – Black

    Cascade presents the Powered Aquarium Nano Sponge Filter by Penn-Plax. This sponge filter is specifically designed for aquariums that house fry shrimp and small fish. The two ribbed sponges trap floating debris without sucking up smaller or weaker fish... more

    $25.00

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    Penn-Plax Cascade CCF5UL Canister Filter Up To 200 Gallons Filters 350 GPH

    Penn-Plax Cascade CCF5UL Canister Filter Up To 200 Gallons Filters 350 GPH

    CASCADE CANISTER FILTER FOR FRESHWATER OR MARINE ENVIRONMENTS. Easy to install filters come with all necessary accessories to connect to your tank and begin filtering in approx. 30 minutes & see visible improvement in less than a day. A quick... more

    $208.99

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    Penn-Plax Clear-Free Premium Under Gravel Aquarium Filter – for 15 – 20 Gallon Tanks

    Penn-Plax Clear-Free Premium Under Gravel Aquarium Filter – for 15 – 20 Gallon Tanks

    Penn-Plax presents the Clear-Free Premium Under Gravel Aquarium Filter. Those who’ve been around the aquatic block for a while know that Under Gravel Filters are a testament of time. This Filter is air driven and utilizes an Air Pump (not included)... more

    $26.65 $23.90

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    Penn-Plax Cascade Canistar Hang-On Canister Aquarium Filter – 108 Gallons per Hour

    Penn-Plax Cascade Canistar Hang-On Canister Aquarium Filter – 108 Gallons per Hour

    Cascade presents the Canistar Hang-On Canister Filter by Penn-Plax. This filter provides the power and efficiency of a canister filter with a sleek and convenient hang-on-the-back design. It can either stand alone or be hung behind an aquarium is great... more

    $64.99

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    Penn-Plax Small World Fishbowl Under-Gravel Filter Kit

    Penn-Plax Small World Fishbowl Under-Gravel Filter Kit

    Penn-Plax presents the Small World Fishbowl Under-Gravel Filter Kit. This kit is specifically designed for all drum or round bowls with a 4� or larger opening. If filter plate does not fit through the opening you can break away the outer ring from... more

    $23.00

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    Penn-Plax Reptology Internal Filter for Turtle Tanks and Reptile Terrariums – 70 GPH

    Penn-Plax Reptology Internal Filter for Turtle Tanks and Reptile Terrariums – 70 GPH

    Reptology presents the 70 GPH Fully Submersible Internal Filter by Penn-Plax. This submersible filter quietly delivers crystal clear water throughout turtle tanks and reptile terrariums. It cycles water at 70 Gallons per Hour (GPH) for tanks up to 15... more

    $24.99

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    Penn-Plax Cascade 500 Aquarium Canister Filter – 115 Gallons per Hour

    Penn-Plax Cascade 500 Aquarium Canister Filter – 115 Gallons per Hour

    Penn-Plax presents the Cascade 500 Canister Filter. Without effort the Cascade 500 Canister Filter quietly delivers crystal clear water throughout the tank. This filter cycles water at 115 Gallons per Hour and is recommended for aquariums up to 30... more

    $117.99

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    Penn-Plax Reptology Disposable Carbon Filter Cartridge - 2 Count Per Pack

    Penn-Plax Reptology Disposable Carbon Filter Cartridge - 2 Count Per Pack

    Take care of your reptile and amphibian collection and make sure your aquarium tank is in tip-top shape with this Disposable Carbon Filter Cartridge 175 from Reptology Life Science. This Disposable Carbon Filter Cartridge is precisely what you need to... more

    $16.14 $11.32

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    Penn-Plax Cascade 455 Fully Submersible Internal Filter for Aquarium Corners – Physical Biological and Chemical Filtration – 120 Gallons per Hour (GPH)

    Penn-Plax Cascade 455 Fully Submersible Internal Filter for Aquarium Corners – Physical Biological and Chemical Filtration – 120 Gallons per Hour (GPH)

    Penn-Plax presents the Cascade 455 Fully Submersible Internal Filter for Aquarium Corners. This filter quietly delivers crystal clear water throughout the aquarium. Its unique design allows it to unobtrusively utilize unused corner space. Furthermore... more

    $31.99

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    Penn-Plax Premium Under Gravel Filter System for 40-55 Gallon Tanks

    Penn-Plax Premium Under Gravel Filter System for 40-55 Gallon Tanks

    Provides powerful biological and chemical filtration Trouble free setup and operation Includes filter plates air stones adjustable lift tubes and filter cartridges Available for 5 10 15/20H 20L/29 40 / 55 gallon aquariums more

    $29.99

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