You're in Fish Supplies

Narrow Search Results

  • Price Range

    $ to $
    Update>>
  • By Brand

    By Aquariums & Accessories

    By Aquarium Decor

    By Aquarium Supplies & Equipment

    By Aquarium Additives

    By Popular Aquatic Life

    By Keyword

    Best Seller
    Cascade Disposable Floss/Carbon Filter Cartridges for 150 and 200 Power Filters

    Cascade Disposable Floss/Carbon Filter Cartridges for 150 and 200 Power Filters

    The Cascade 150 and 200 Filter Cartridge is a disposable floss/carbon replacement cartridge designed to fit Cascade 150 and 200 power filters. The cartridge comes ready to use with 1.5 ounces of premium research-grade activated carbon. Precision... more

    $10.05

    FREE shipping

    go to store
    Cascade 20 Power Filter Replacement Carbon Filter Cartridges

    Cascade 20 Power Filter Replacement Carbon Filter Cartridges

    The Cascade 20 Power Filter Replacement Carbon Filter Cartridges are a disposable carbon replacement cartridge designed to fit the Cascade 20 Filter. Keep your aquariums water crystal clear by changing your Cascade Filter cartridges regularly. Quick... more

    $11.47

    FREE shipping

    go to store
    Best Seller
    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

    FREE shipping

    go to store
    Penn Plax 100 Power Hang-On Aquarium Filter Acrylic (shatterproof w/ great clarity), Crystal in Black/Blue | Wayfair CPF2

    Penn Plax 100 Power Hang-On Aquarium Filter Acrylic (shatterproof w/ great clarity), Crystal in Black/Blue | Wayfair CPF2

    The cascade 100 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. Accommodating: the adjustable flow knob allows for increased or... more

    $41.51

    FREE shipping

    go to store
    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

    $48.47

    FREE shipping

    go to store
    Penn Plax 20 Power Hang-On Aquarium Filter, Crystal in Black/Blue | 4.5 H x 3.75 W x 3 D in | Wayfair CPF6

    Penn Plax 20 Power Hang-On Aquarium Filter, Crystal in Black/Blue | 4.5 H x 3.75 W x 3 D in | Wayfair CPF6

    The 20 quietly delivers crystal clear water and pushes water at 20 Gallons per Hour (GPH) for tanks up to 7 Gallons in size. It’s great for Freshwater and Saltwater Aquariums. Accommodating: The adjustable flow knob allows for increased or decreased... more

    $29.63

    go to store
    Black Prism Nano Aquarium Kit, 2 Gallon, Black / Transparent

    Black Prism Nano Aquarium Kit, 2 Gallon, Black / Transparent

    Features a crystal clear plastic aquarium fish tank, Quiet-Power integrated filtration system, and a powerful 18 bulb LED light with low voltage for safety. Great for any novice aquarist. Fun & Function in one aquarium! more

    $52.17

    go to store
    Battery Back-Up Pump, .4 LB

    Battery Back-Up Pump, .4 LB

    The Penn Plax battery powered aquarium air pump is a must have. This air pump provides a constant supply of oxygen to your fish tank in case of an emergency power outage or for transporting fish. more

    $16.99

    go to store
    Penn-Plax CPF310 Cascade Power Filter Replacement Bio-Sponge

    Penn-Plax CPF310 Cascade Power Filter Replacement Bio-Sponge

    Our products are always innovative such as original bird toys and accessories Undergravel filters award winning air pumps valves and Quick Nets. We make hugely popular aquariums and accessories with wide variation across the dog cat bird small animal... more

    $8.62

    FREE shipping

    go to store
    Penn-Plax Cascade 150 Power Filter – Hang-On Filter with Quad Filtration

    Penn-Plax Cascade 150 Power Filter – Hang-On Filter with Quad Filtration

    Penn-Plax presents the Cascade 150 Power Hang-On Filter. This filter 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. Shop... more

    $52.00

    FREE shipping

    go to store
    Penn-Plax Cascade 20 Power Filter – Mini Hang-On Filter with Quad Filtration for Aquariums up to 7 Gallons

    Penn-Plax Cascade 20 Power Filter – Mini Hang-On Filter with Quad Filtration for Aquariums up to 7 Gallons

    Penn-Plax presents the Cascade 20 Mini Power Hang-On Filter. This filter quietly delivers crystal clear water and pushes water at 20 Gallons per Hour (GPH) for tanks up to 7 Gallons in size. It’s great for Freshwater and Saltwater Aquariums. Shop... more

    $23.00

    FREE shipping

    go to store
    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

    go to store
    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

    FREE shipping

    go to store
    Penn Plax Cascade Power Aquarium Filters Bio-Sponge

    Penn Plax Cascade Power Aquarium Filters Bio-Sponge

    Penn Plax Penn-Plax is a family-owned company in operation since 1959. They specialize in creating excellent pet supplies for animals both great and small. Best known for producing pet products at affordable prices the Penn-Plax brand is synonymous... more

    $14.39 $12.39

    FREE shipping

    go to store
    Penn-Plax Cascade 200 Power Filter – Hang-On Filter with Quad Filtration

    Penn-Plax Cascade 200 Power Filter – Hang-On Filter with Quad Filtration

    Penn-Plax presents the Cascade 200 Power Hang-On Filter. This filter quietly delivers crystal clear water and pushes water at 185 Gallons per Hour (GPH) for tanks up to 55 Gallons in size. It’s great for Freshwater and Saltwater Aquariums. Shop... more

    $46.70 $41.15

    go to store
    Penn-Plax AirPod Air Pump with Automatic Backup System - for 55 Gallon Aquarium Tank

    Penn-Plax AirPod Air Pump with Automatic Backup System - for 55 Gallon Aquarium Tank

    The Penn Plax Air-Pod Battery Back-Up Air Pump has you covered when your primary air pump gives out. It is powered by 4D batteries and automatically powers on when it senses an interruption in your electrical current like when the power goes out. This... more

    $64.99

    FREE shipping

    go to store
    Penn-Plax Deco-Replicas Sunken Battleship Aquarium Decoration – Medium Resin

    Penn-Plax Deco-Replicas Sunken Battleship Aquarium Decoration – Medium Resin

    Deco-Replicas presents the Medium Sunken Battleship Aquarium Decoration by Penn-Plax. Add some ominous charm and wonder to your fish tank with the Sunken Battleship! This fully detailed aquarium decoration makes for a great centerpiece or accent and is... more

    $17.99

    FREE shipping

    go to store
    Penn-Plax Deco-Replicas Striped Sail Shipwreck Aquarium Decoration – Medium

    Penn-Plax Deco-Replicas Striped Sail Shipwreck Aquarium Decoration – Medium

    Deco-Replicas presents the Medium Striped Sail Shipwreck Aquarium Decoration by Penn-Plax. Add some ominous charm and wonder to your fish tank with the Striped Sail Shipwreck! This fully detailed aquarium decoration makes for a great centerpiece or... more

    $53.90

    FREE shipping

    go to store
    Penn-Plax WW120B Prism Nano Aquarium Kit Blue

    Penn-Plax WW120B Prism Nano Aquarium Kit Blue

    Fun & Function in One Aquarium! This aquarium is available in three stunning colors to enhance any decor. The Prism Nano Aquarium features the Quiet-Power Integrated Filtration System with Dual Cartridges that has a sponge for mechanical filtration and... more

    $72.00

    FREE shipping

    go to store
    Penn-Plax Deco-Replicas Sunken Treasure Ship Aquarium Decoration – Small Resin

    Penn-Plax Deco-Replicas Sunken Treasure Ship Aquarium Decoration – Small Resin

    Deco-Replicas presents the Small Sunken Treasure Ship Aquarium Decoration by Penn-Plax. Add some ominous charm and wonder to your fish tank with the Sunken Treasure Ship! This fully detailed aquarium decoration makes for a great centerpiece or accent... more

    $12.85

    FREE shipping

    go to store
    Penn-Plax Wave-Runner Pirate Ship Aquarium Decoration – Safe for Freshwater and Saltwater Fish Tanks – Large

    Penn-Plax Wave-Runner Pirate Ship Aquarium Decoration – Safe for Freshwater and Saltwater Fish Tanks – Large

    Penn-Plax presents the Wave-Runner Pirate Ship Aquarium Decoration. Add some ominous charm and mischief to your fish tank! This fully detailed aquarium decoration makes for a great centerpiece and is perfect for anything pirate themed! This piece fits... more

    $71.00

    FREE shipping

    go to store
    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 $54.54

    go to store
    Penn Plax The Reptology Granite Stone Hide-Away - Extra Large

    Penn Plax The Reptology Granite Stone Hide-Away - Extra Large

    This Extra-Large Penn Plax Granite Stone Hideaway is a wonderful choice for people who own a variety of pets including fish reptiles and other small creatures. Featuring a hole straight through the center this item gives your animal an enclosed place... more

    $29.00

    FREE shipping

    go to store
    Penn-Plax Deco-Wrecks Tan Plane Coral Scape Aquarium Decoration – Large Resin

    Penn-Plax Deco-Wrecks Tan Plane Coral Scape Aquarium Decoration – Large Resin

    Deco-Wrecks presents the Large Tan Plane Coral Scape Aquarium Decoration by Penn-Plax. Add some ominous charm and vivid color to your fish tank with the Large Tan Plane Coral Scape! This fully detailed aquarium decoration makes for a great centerpiece... more

    $54.99

    FREE shipping

    go to store
    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

    FREE shipping

    go to store
    Penn-Plax Pro-Carb Activated Carbon for Crystal Clear Water 36-Ounce

    Penn-Plax Pro-Carb Activated Carbon for Crystal Clear Water 36-Ounce

    Five times the filtering power with higher absorptive Capacity than other premium brands Maximizes filter efficiency by helping to remove harmful toxins and ammonia from the aquarium water. Penn-Plax Pro Carb formula will keep your water clear for 4 to... more

    $37.00

    FREE shipping

    go to store
    Penn-Plax Pro-Carb Z Activated Carbon and Zeolite 34 Ounce Model:PBZC2M

    Penn-Plax Pro-Carb Z Activated Carbon and Zeolite 34 Ounce Model:PBZC2M

    Five times the filtering power with higher absorptive Capacity than other premium brands Maximizes filter efficiency by helping to remove harmful toxins and ammonia from the aquarium water. Penn-Plax Pro Carb formula will keep your water clear for 4 to... more

    $32.57

    FREE shipping

    go to store
    Penn-Plax Pro-Carb Contains Activated Carbon for Crystal Clear Healthy Aquarium Water 28-Ounce

    Penn-Plax Pro-Carb Contains Activated Carbon for Crystal Clear Healthy Aquarium Water 28-Ounce

    Five times the filtering power with higher absorptive Capacity than other premium brands Maximizes filter efficiency by helping to remove harmful toxins and ammonia from the aquarium water. Penn-Plax Pro Carb formula will keep your water clear for 4 to... more

    $30.00

    FREE shipping

    go to store
    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 $11.07

    FREE shipping

    go to store
    Penn Plax Cascade 200 Power Hang-On Aquarium Filter, Crystal in Black/Blue | 6.75 H x 7.25 W x 4.75 D in | Wayfair CPF4

    Penn Plax Cascade 200 Power Hang-On Aquarium Filter, Crystal in Black/Blue | 6.75 H x 7.25 W x 4.75 D in | Wayfair CPF4

    The Cascade 200 quietly delivers crystal clear water, and pushes water at 185 Gallons per Hour (GPH) for tanks up to 55 Gallons in size. It’s great for Freshwater and Saltwater Aquariums. Accommodating: The adjustable flow knob allows for increased or... more

    $52.35

    FREE shipping

    go to store
    Penn Plax Silent-air Aquarium Air Pump w/ Battery Backup, Metal in Blue | 1.75 H x 3.25 W x 6 D in | Wayfair SAB11

    Penn Plax Silent-air Aquarium Air Pump w/ Battery Backup, Metal in Blue | 1.75 H x 3.25 W x 6 D in | Wayfair SAB11

    This model of the Silent-Air Aquarium Air Pump is a real life saver! The SAB11 Air Pump plugs into an electrical outlet, and monitors power at your home or office. If power becomes interrupted, for any reason, the air pump instantly turns on, thus... more

    $41.89

    FREE shipping

    go to store
    Penn Plax Aquarium Accessory in Blue/Yellow | 12.75 H x 14 W x 10.75 D in | Wayfair RR1592

    Penn Plax Aquarium Accessory in Blue/Yellow | 12.75 H x 14 W x 10.75 D in | Wayfair RR1592

    Like the rest of the aquarium ornaments from this collection, the Diver’s Helmet will instantly add depth, wonder, and mystery to your aquarium. Although this piece is perfect for themed tanks, it’s also great as a centerpiece or complementary accent,... more

    $83.64

    FREE shipping

    go to store
    Penn Plax Aquarium Accessory in Blue/Brown | 7 H x 13 W x 4 D in | Wayfair RR931

    Penn Plax Aquarium Accessory in Blue/Brown | 7 H x 13 W x 4 D in | Wayfair RR931

    Add some ominous charm and wonder to your fish tank with the sunken treasure ship! this fully detailed aquarium decoration makes for a great centerpiece or accent, and is perfect for anything pirate or nautical-themed! the smallest fish can swim... more

    $45.97

    FREE shipping

    go to store
    Penn Plax Cascade Canistar Hang-on Canister Aquarium Filter | 11.15 H x 7.65 W x 6 D in | Wayfair CCFH3

    Penn Plax Cascade Canistar Hang-on Canister Aquarium Filter | 11.15 H x 7.65 W x 6 D in | Wayfair CCFH3

    Cascade presents the Canistar Hang-On Canister Filter. 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 for... more

    $73.85

    FREE shipping

    go to store
    Penn Plax Aquarium Accessory in Blue/Brown | 4.5 H x 13.5 W x 2 D in | Wayfair RR933

    Penn Plax Aquarium Accessory in Blue/Brown | 4.5 H x 13.5 W x 2 D in | Wayfair RR933

    Add some ominous charm and wonder to your fish tank with the sunken battleship! This fully detailed aquarium decoration makes for a great centerpiece or accent, and is perfect for anything nautical-themed! most extra small fish can swim through and... more

    $33.74

    go to store
    Penn Plax Aquarium Accessory | 14.5 H x 16.5 W x 5.25 D in | Wayfair RR963

    Penn Plax Aquarium Accessory | 14.5 H x 16.5 W x 5.25 D in | Wayfair RR963

    Add some ominous charm and mischief to your fish tank! This fully detailed aquarium decoration makes for a great centerpiece, and is perfect for anything pirate themed! This piece fits comfortably inside 20+ gallon tanks! Made of safe and durable... more

    $104.92

    FREE shipping

    go to store
    Penn Plax Novelty Aquarium Decoration Wood (best for furniture style stands) in Brown | 2.2 H x 11.8 W x 15 D in | Wayfair RR3110

    Penn Plax Novelty Aquarium Decoration Wood (best for furniture style stands) in Brown | 2.2 H x 11.8 W x 15 D in | Wayfair RR3110

    Add some ominous charm and vivid color to your fish tank with the Large Wrecked Jet! This fully detailed aquarium decoration makes for a great centerpiece, and is perfect for larger fish tanks! Most small and medium fish can swim through and around it,... more

    $63.77

    FREE shipping

    go to store
    Penn Plax Novelty Aquarium Decoration Wood (best for furniture style stands) in Blue/Brown | 2.6 H x 13.8 W x 6 D in | Wayfair RR3107

    Penn Plax Novelty Aquarium Decoration Wood (best for furniture style stands) in Blue/Brown | 2.6 H x 13.8 W x 6 D in | Wayfair RR3107

    Add some ominous charm and vivid color to your fish tank with the Large Blue Plane Coral Scape! This fully detailed aquarium decoration makes for a great centerpiece, and is perfect for larger fish tanks! Most small and medium fish can swim through and... more

    $76.06

    FREE shipping

    go to store
    Penn Plax Aquarium Decoration Wood (best for furniture style stands) in Brown/White | 2.4 H x 15 W x 7.5 D in | Wayfair RR3109

    Penn Plax Aquarium Decoration Wood (best for furniture style stands) in Brown/White | 2.4 H x 15 W x 7.5 D in | Wayfair RR3109

    Add some ominous charm and vivid color to your fish tank with the Large Tan Plane Coral Scape! This fully detailed aquarium decoration makes for a great centerpiece, and is perfect for larger fish tanks! Most small and medium fish can swim through and... more

    $75.78

    FREE shipping

    go to store
    Penn Plax Air-Pod™ Battery Back-up Air Pump | 6.75 H x 8 W x 2.8 D in | Wayfair APB1

    Penn Plax Air-Pod™ Battery Back-up Air Pump | 6.75 H x 8 W x 2.8 D in | Wayfair APB1

    Features:Automatically switches from AC to battery when power failsProduct Type: Air Pumps;Battery-Operated PumpsParts: YesPet Category: Fish and Aquatic PetsCountry of Origin: ChinaSpefications:110V air pump with battery backupDimensions:6.75'' H x... more

    $97.99

    FREE shipping

    go to store

    More information about Fish Supplies

    Best prices on Power center, Penn Plax in Fish Supplies online. Visit Bizrate to find the best deals on top brands. Read reviews on Pet Supplies merchants and buy with confidence.