Top Aquarium Filters 4gallon Tank

TARARIUM Quiet Aquarium 2-15 Gallon Internal Filter, 79 GPH Water Pump 3 in 1 Air Adjustable Pump, Rain Type，Multifunctional Submersible for Betta Fish Goldfish Turtle Tank

  • ...ttools sponge filter combines single scientific 7-layer ribbing shape sponge design, which can quickly established a bio-filter, improve purifying water quality, and the oxygen port can rotate 360 degrees without dead ends, keep your fish tank crystal clear and clean..
  • 【Special Ceramic Bio Filter Media】Upettools aquarium sponge filters compatible with one container with ceramic bio filter media inside, which help to remove harmful substance and increase oxygen level in your tank, you can replace the filter media to enhance water quality..
  • 【Removable Sponges 】 You can take down the sponge from the filter easily to clean or replace it. Sponge filters provide both mechanical and biological filtration, traps floating debris and protect your baby fish from being sucked up into the filter..
  • 【We have added more accessories】Package include: 1 double sponge filter with 2 containers +2 suctions + 4 bag of ceramic media balls + 4 pare sponges.This aquarium filter must be used with an air pupm and a standard size 4mm air hose..
  • 【Max Suit for 55GAL Fish Tank】Compatible with 2 suction cups, can be installed anywhere and can be easily hidden on the back wall of the aquarium. Suitable for freshwater & saltwater and all kinds of ornamental ....
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AquaMiracle Aquarium Filters 3-Stage Aquarium Filter in-Tank Filter Internal Aquarium Filter Fish Tank Filter Turtle Filter for 10-40 Gallon Fish Tanks with Aeration, Flow Direction Adjustable

  • PERFORMANCE – Max. Flow 135GPH (500L/H), Max lift 2.5ft (0.75m), Power 4.8W. For tank size of 10-40 gallons. KIND REMINDER – CHOOSE THE RIGHT FILTER FOR YOUR AQUARIUM! A filter can’t cover tanks of big differences in capacity (as claimed by some products online) as it will be either too strong or too weak! Follow our RECOMMENDATIONS for your tank..
  • SAFETY – The aquarium filter is fully submersible with epoxy sealed motor. Each product has been submerged in water and tested with super high voltage to ensure the safety..
  • 3-STAGE FILTRATION – 3 sponge blocks – coarse sponge, carbonized sponge and fine sponge provide 3-stage filtration. COARSE SPONGE filters out large size impurities such as food residue, fish excrements, plant leaves etc..
  • CARBONIZED SPONGE removes odor, chlorine and fine particles.
  • FINE SPONGE polishes water before it goes back to tank. Search code “B09W23YJD7” for the replacement sponges..
  • AERATING WATER - Oxygenation is very important to your fish. Different from most of the filters in the market, this fish tank filter also provides an air venturi and air tubing to increase oxygen suppl....
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AquaMiracle Aquarium Filters 3-Stage Aquarium Filter in-Tank Filter Internal Aquarium Filter Fish Tank Filter Turtle Filter for 40-60 Gallon Fish Tanks with Aeration, Flow Direction Adjustable

  • PERFORMANCE – Max. Flow 210GPH (800L/H), Max lift 4.2ft (1.27m), Power 10.5W. For tank size of 40-60 gallons. KIND REMINDER – CHOOSE THE RIGHT FILTER FOR YOUR AQUARIUM! A filter can’t cover tanks of big differences in capacity (as claimed by some products online) as it will be either too strong or too weak! Follow our RECOMMENDATIONS for your tank..
  • SAFETY – The aquarium filter is fully submersible with epoxy sealed motor. Each product has been submerged in water and tested with super high voltage to ensure the safety..
  • 3-STAGE FILTRATION – 3 sponge blocks – coarse sponge, carbonized sponge and fine sponge provide 3-stage filtration. COARSE SPONGE filters out large size impurities such as food residue, fish excrements, plant leaves etc..
  • CARBONIZED SPONGE removes odor, chlorine and fine particles.
  • FINE SPONGE polishes water before it goes back to tank. Search code “B09W23YJD7” for the replacement sponges..
  • AERATING WATER - Oxygenation is very important to your fish. Different from most of the filters in the market, this fish tank filter also provides an air venturi and air tubing to increase oxygen supp....
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ELEBOX Aquarium Background Blue Black Fish Tank Background Picture 2 Sides Fish Backdrop for Aquarium Wallpaper 20" x 48"

  • 【High Quality 】Double-sided fish tank background is made from thickened PVC, it is waterproof, easy to clean, non-glare, not easy to fade and durable. Both sides were printed with different color. You can change the color according to your mood..
  • 【Easy trim】This aquarium wallpaper background has a variety of sizes for you to choose. You only need to measure the length and height of the front of the fish tank. Choose a background size larger than the length and height of the tank. Trim the background beyond the aquarium and use stickers to stick it tightly around. Easily setting, easily removed..
  • 【Size】This solid color aquarium poster is available in 4 sizes. 11.8" H x32.3" L, 15.7" H x40.2" L, 19.7" H x48" L, 23.6" H x71.7" L..
  • Beautiful fish tank background poster, can also hide hoses, filters, etc. and unnecessary stains..
  • Aquarium background picture with vibrant colors and detailed HD images, it is sure to create a lifelike effect for your tank. If you have any problem. Please feel free to contact us..
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Penn Plax Cascade 600 Submersible Aquarium Filter Cleans Up to 50 Gallon Fish Tank with Physical, Chemical, and Biological Filtration

  • Fully submersible aquarium filter quietly delivers 175 gallons per hour of crystal clear water for your fresh or marine aquarium from 20 to 50 gallons in size..
  • Activated carbon cartridge removes harmful chemicals, toxins, odors, discoloration, and other contaminants for your aquarium..
  • Internal sponge optimizes colonization of beneficial aerobic bacteria. Large capacity aquarium filter cup allows you to choose your own filter medium..
  • Pump head with adjustable and directional water flow. Cascade internal filters provide better filtration.
  • physical, chemical and biological while also aerating water..
  • Spray bar option allows you to distribute water evenly helping aerate your tank. Fish tank filter can be placed horizontally and is easily hidden..
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TARARIUM Aquarium Filter for 20-40 Gal. Tank Crystal 150GPH Multi Stage Filtration Silent Fish Tank Filters Hang on Back Canister Filter in Freshwater&Saltwater System

  • 【Crystal Clear-Multi Filtration】 Makes a cloudy aquarium clean and crystal clear and reduces some odor. This aquarium filter does a great job in keeping the water clean and crystal clear. This fish tank water filter reduces the number of water changes in large aquariums and creates a filtration circulation system..
  • 【Quiet Working】 This aquarium filter works very quietly, the noise of the engine is below 40 decibels when working, and you can only hear the sound of water flow. When the filter starts, there will be a little noise, please wait patiently for 5 minutes, then it will be very quiet..
  • 【Happy Fish】 Two types of water outlet can be changed according to the preference of fish. Waterfall and rain shower water outlet can make the small fish swim happily in the tank.The water flow adjustable. Small fish will not be sucked into the filter canister, for the safety of small fish..
  • 【150 GPH】 It is suitable for 20-40 gallon aquarium. Of course, you can use this hang on back aquarium filter for bigger aquarium, but the effect may not be very good. If you want better filtration effect, you can use 2 filters in a ....
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Gekufa Aquarium Filter Cartridges Compatible with Aqua-Tech 30-60/20-40 Filters,Replacement for EZ-Change #3(12 Pcs)

  • Compatible with Aqua-Tech EZ-Change #3 Aquarium Filter,fit for Aqua-Tech 20-40 and 30-60 power filters.
  • The aquarium filter traps fine dust,cleans the water to a crystal clear condition,and keeps the fishy smells away from your house when there is a tank..
  • The charcoal material inside can prevent odor, water discoloration and impurities from your aquarium,provide clean and fresh water for healthier fish..
  • Regular replacement to keep aquarium filter in high level performance.Changing the filter cartridge every 2-4 weeks would be recommended.Rinse the filter before puttin them into the tank..
  • For any reason you're not completely satisfied, please feel free to contact us for a replacement or full refund.
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Aquarium Filter Cartridge, Compatible with Aqua-Tech EZ-Change No.2, Aquarium Filter Cartridge for 10 to 20 Power Filters (4 Pack)

  • 【Aquarium Filter Cartridge #2】Compatible with EZ-Change NO.2 Aquarium Filter, fit for 10-20 Gallon Aquarium Filters..
  • 【Activated Carbon Filter Pool Water】Replacements ez-change #2 cartridge Contains Premium Activated Carbon that can remove odor, water discoloration, impurities, and any toxins that may hurt your aquarium! Provide clean and fresh water for healthier fish..
  • 【Absorbs The Fishy Smell In The Air】Absorb the fishy smell of the fishy body surface of the ornamental fish, keep the air around the bathtub fresh, keep the fishy smell away from your house, and keep the fish tank water fresh..
  • 【Replace The Filter Element Regularly】Regular replacement to keep aquarium filter in high level performance. Changing the filter cartridge every 2-4 weeks would be recommended. Rinse the filter before putting them into the tank..
  • 100% Satisfaction Guarantee: 30-day Money-back Guarantee and Two-year Warranty..
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API POND ECOFIX SLUDGE DESTROYER Bacterial cleaner, Pond Water Clarifier and Sludge Remover Treatment 16-Ounce Bottle

  • EASY TO USE - The activated carbon filter pad replaces loose carbon in your aquarium. Our charcoal filter pads perform the same duty as activated carbon granules without the mess of spilled carbon and carbon dust particles in your aquarium. Cut your aquarium carbon pad to fit your filter, rinse, and it is ready to go!.
  • CUT TO FIT - The carbon filter pads can be CUT TO FIT VIRTUALLY ANY FILTER. They work well in freshwater and saltwater aquariums and even ponds. Whatever filter you use, the carbon filter pad will work for you! Buying in bulk WILL SAVE YOU EVEN MORE MONEY over purchasing ready-made pre-cut filter material. Carbon pad measures 10.5" x 36" and 3/8" - 1/2" thick..
  • ELIMINATES ODOR AND DISCOLORATION! - Activated carbon, also known as activated charcoal, removes foul odors from aquarium and pond water LEAVING A CRISP CLEAN SMELL. The thin carbon coating creates a large surface area for the carbon to trap and remove water discoloration, residual medications, toxins, pollutants and more to keep your water crystal clear..
  • INCREASE WATER QUALITY – Changing the aquarium carbon filter pad regularly WILL INCREASE WATER QUALITY by removing solid organic compounds before they break down..
  • TOUGH AND DURABLE - The strong fibers of our charcoal fish ....
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1.2Gallon Betta Aquarium Starter Kits Square Fish Tank with LED Light and Filter Pump

  • Product Dimensions: 49.37" L x 13.12" W x 28.25" H.
  • 2 front doors make for easy access and ample storage for pumps, filters and food.
  • The back of the stand is open except for a single support brace.
  • this lets your conveniently route cords or tubes from the aquarium inside the stand without cutting away panels.
  • Included components: Aquarium Stand Only.
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Dr. Tim’s Aquatics Freshwater One & Only Nitrifying Bacteria – for New Fish Tanks, Aquariums, Water Filtering, Disease Treatment – Eco-Friendly Fish Tank Cleaner – Removes Toxins – 4 Oz

  • THE BEST WAY TO SANITIZE A FRESHWATER AQUARIUM: Freshwater One & Only from Dr. Tim’s Aquatics quickly converts waste in aquariums and fish tanks to a non-toxic form. Utilize this powerful solution when setting up new fish tanks, while cleaning filters or adding new fish or after a water change..
  • REMOVES HARMFUL TOXINS FROM FRESHWATER FISH TANKS: Even with regular water changes and maintenance, aquariums and fish tanks produces bad bacteria and it can take up to 30 days to eliminate waste. Not with Freshwater One & Only because this solution instantly creates a bio filter to remove nitrite and toxic ammonia naturally..
  • 100% NATURAL, ECO-FRIENDLY FISH TANK CLEANER: There’s no need to wait when treating your new freshwater aquarium or fish tank with Freshwater One & Only. This fish tank cleaner eliminates new tank syndrome and does not include sulfur or other offensive odors..
  • AQUARIUM SUPPLIES YOU NEED: Offer your pet fish and corals an environment in which they can thrive with this Freshwater One & Only for freshwater fish tanks and aquariums. Freshwater One & Only is available in quantities that incl....
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Dr.Tim’s Aquatics Freshwater One & Only Nitrifying Bacteria – For New Fish Tanks, Aquariums, Water Filtering, Disease Treatment – Eco-Friendly Fish Tank Cleaner – Removes Toxins – Treats 30 Gallons

  • THE BEST WAY TO SANITIZE A FRESHWATER AQUARIUM: Freshwater One & Only from Dr. Tim’s Aquatics quickly converts waste in aquariums and fish tanks to a non-toxic form. Utilize this powerful solution when setting up new fish tanks, while cleaning filters or adding new fish or after a water change..
  • REMOVES HARMFUL TOXINS FROM FRESHWATER FISH TANKS: Even with regular water changes and maintenance, aquariums and fish tanks produces bad bacteria and it can take up to 30 days to eliminate waste. Not with Freshwater One & Only because this solution instantly creates a bio filter to remove nitrite and toxic ammonia naturally..
  • 100% NATURAL, ECO-FRIENDLY FISH TANK CLEANER: There’s no need to wait when treating your new freshwater aquarium or fish tank with Freshwater One & Only. This fish tank cleaner eliminates new tank syndrome and does not include sulfur or other offensive odors..
  • AQUARIUM SUPPLIES YOU NEED: Offer your pet fish and corals an environment in which they can thrive with this Freshwater One & Only for freshwater fish tanks and aquariums. Freshwater One & Only is available in quantities that incl....
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