ReviewsAquarium Filter For 4gallon Tank

Koller Products Replacement Filter Cartridges - Small

  • PREMIUM REPLACEMENT FILTER CARTRIDGE: Keeps aquarium water crystal clear and your fish healthy..
  • PRE-ASSEMBLED - READY TO USE: No assembly required, no mess..
  • DENSE POLY-FIBER OUTER SHELL: Dual-sided poly-fiber floss removes fish waste and other debris..
  • REMOVES IMPURITIES: Activated carbon eliminates organic pollutants that can degrade water quality and cloud water..
  • HANDS STAY DRY: Easy to Install - Easy to Replace - No Need to Get Hands Wet..
  • OPTIMUM FILTRATION: For optimal filter performance replace cartridge monthly or sooner if heavily soiled and reduced filer flow..
  • KOLLER PRODUCTS & HAWKEYE AQUARIUMS: Replacement cartridge fits Koller Products and Hawkeye power filters for the following aquariums: AquaTunes 2.5-gallon Aquarium with Sleep Sound Machine (B00HH7UVYO), AquaTunes 3.5-gallon Aquarium with Sleep Sound Machine (B00HH7UW1Q), AquaView 3-gallon (B01M4LNYWS), 4.5-gallon Aquarium (B01JS39E60), 5-gallon Aquarium (B00KIRR8BY), 6-gallon 360 Aquarium (B007R5C6CG), 6.5-gallon Aquarium (B0182CAHWS), 7-gallon Aquarium (B01JS2NNJA), Smart Tank 5-gallon Aquarium, Smart Tank 6.5-gallon Aquarium (B086D9B85Q), and Smart Tank 7-gallon Aquarium (B0865LG56Z)..
  • DIMENSIONS: 2.25 L x .5 W x 5 H Inches. Product may ship in white SIOC packaging depending on demogra....
Check Stock

ATC® Mini USB LCD Desktop Lamp Fish Tank Aquarium with LED Clock(White)

  • CONVENIENT FOR SMALL SPACES: The Radius Desktop Aquarium Kit is perfect for small or unused spaces: a desk, dresser, or even on top of the old file cabinet that hasn’t been touched in years. This frameless tank is made from finely constructed bent glass that’s 1/8” thick. At the front, it features 2 curved corners, allowing for unobstructed views from all angles..
  • CASCADE 300 INTERNAL FILTER: This 7.5 gallon aquarium kit comes with a Cascade 300 Fully Submersible Internal Filter. The filter cycles water at 70 Gallons per Hour, and includes a refillable Carbon Cartridge and an internal Bio-Sponge..
  • GREAT FOR BEGINNERS: The Radius Desktop Aquarium Kit makes for a simple and easy introduction to aquarium ownership. This kit is ideal for adults and children alike, and offers almost everything you need in 1 package!.
  • CONTAINS ALMOST EVERYTHING YOU NEED: This kit includes the following: 7.5 Gallon Glass Tank, Glass Lid, Clear Mounting Clips, Cascade 300 Internal Filter (70 GPH), Silver LED Light, and Mat..
  • MEASUREMENTS: Overall = 15.75” (W) x 10.25” (D) x 11.75” (H) / Tank Wa....
Check Stock

HITOP Submersible Aquarium Internal Filter, Adjustable Underwater Filter, Corner Filter with Water Pump for Fish Tank up to 15 Gallon

  • 3W Internal Filter: This aquarium filter quietly delivers 55 gallons per hour of crystal-clear water for your lovely fish, suitable for fresh or marine aquarium, perfect for fish tank up to 15 gallons, ideal choice for aquarium or turtle/aquatic reptiles use..
  • Adjustable 55 GPH Water Pump, pump head with adjustable and directional water flow, spray bar option allows you to distribute water evenly helping aerate your tank..
  • Space saving corner filter design, 5.7 x 1.6 x 2.4 in / 14.5 x 4 x 6cm, fish tank filter can be placed horizontally and easily hidden..
  • Multiple filter media, the filter with multiple filter media for all filtration purposes. Your lovely fish or turtle will have a clean and fresh environment for living..
  • Warranty: Offer 12 months warranty, leaves no worries for your purchase..
Check Stock

hygger Aquarium Double Sponge Filter, Comes with 2 Spare Sponges (S)

  • 【Multi-filtration functions】this sponge aquarium filter combines bio-filtration, oxygenation and physical filtration in one and also makes small water flow, which can ensure the excellence of the water quality. Helps your small fish or shrimp to live a happy, healthy life.
  • 【Filter Demension】plus the sponge filter with media balls takes up no more room. Small filter is 6" in width and 9" to 13." in height, the sponge inside circle diameter is 0.39 inch, suggest for 10 to 40 gallon fish tank. Medium filter is 6.3" in width and 9' to 13 in height, the sponge inside circle diameter is 0.59 inch, suggest for 15 to 55 gallon fish tank. For larger tank you may need 2 of this filter.
  • 【Package Includes】1 double sponge filter with 2 containers +1 bag of ceramic media balls + 2 pare sponges(packed in the 2 containers). This aquarium filter must be used with an air pupm and a standard size 4mm air hose, please note pump and air hose are not included. Please choose a powerful enough air pump according to your fish tank size for this filter.
  • 【Detachable Fine Sponges 】you can easy to take down the 2 sponges from the filter to clean or replace it, the 2 sponges are fine 60ppi not coarse, which means more surface area for beneficial little creatures to l....
Check Stock

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..
Check Stock

Betta Fish Tank, 2 Gallon Glass Aquarium, 3 in 1 Fish Tank with Filter and Light, Desktop Small Fish Tank for Betta Fish, Shrimp, Goldfish (White)

  • MADE FOR ALL AQUARIUM LOVERS: The PONDON aquarium kit provides a quick and stylish foundation for starting your new aquarium. 2-gallon fish tank is the minimum size recommended for bettas. It is equipped with all essential accessories for your home aquarium..
  • SELF CLEANING FISH TANK: The aquarium has a quiet adjustable flow filter pump, providing oxygen, running water circulation, and removing impurities. In addition, it includes an LED lighting system that shows the natural underwater effect of sunlight..
  • CLEAR AND ANTI-SCRATCH GLASS: The betta tank is made of high-quality float glass, providing a super clear view and protecting the tank from scratches when you clean it. What’s more, the curved corner design allows viewing from multiple angles..
  • SLEEPING WITH FISH TANK: Generating little noise, the submersible aquarium pump provides quiet living space for you. Measuring 9.45''* 6.7''* 11.02'', the fish tank allows you to place it in the bedroom, living room, or office..
  • EFFORTLESS SETUP: Easily assembled filter pump and hanging light allow easy access to the tank. In addition, a....
Check Stock

ERAARK Aquarium kit 5 Gallon Betta Fish Tank self Cleaning, Smart Aquarium That Supports Bluetooth, Small Fish Tank with Filter Light Water Pump, Fish Tank Starter Kits Fish Bowl (Empty)

  • 【Set contents】Aquarium, LED light, aquarium filter, water pump, instruction manual. Please note: Fish, decoration and stones are not included. Aquarium size: 15.6 x 6.6 x 10.3inch, capacity: 5 Gallon..
  • 【Adjustable light color through APP】 This is a smart aquarium that allows you to adjust the color of the light through the APP. You can choose red, orange, yellow, green, blue, purple and other light colors. This not only promotes the growth of fish, but also makes the underwater world more colorful.The light is soft, which can protect the eyes and fish, and prevent the viewer and the fish from feeling discomfort due to the stroboscopic effect..
  • 【Multiple Filtration-Fish Tank Self Cleaning】 The aquarium filter uses a combination of physical and biological filtration to improve the filtration effect. Multiple filter cotton can filter impurities and fish manure, improve water quality, and ensure a clean aquatic environment in the aquarium.The filter can generate abundant bubbles and water flow to provide sufficient oxygen for the fish..
  • 【Great gifts and decorations】This fish tank can be used as a decoration for bedrooms, living rooms and offices.The Aquarium is packaged beautifully which makes it a perfect gift for kids, family and friends o....
Check Stock

ERAARK Aquarium kit Betta Fish Tank self Cleaning, Smart Aquarium That Supports Bluetooth, Small Fish Tank with Filter Light Coral Water Pump, Fish Tank Starter Kits Fish Bowl (Blue)

  • 【Adjustable light color through APP】 This is a smart aquarium that allows you to adjust the color of the light through the APP. You can choose red, orange, yellow, green, blue, purple and other light colors. This not only promotes the growth of fish, but also makes the underwater world more colorful.The light is soft, which can protect the eyes and fish, and prevent the viewer and the fish from feeling discomfort due to the stroboscopic effect..
  • 【Multiple Filtration-Fish Tank Self Cleaning】 The aquarium filter uses a combination of physical and biological filtration to improve the filtration effect. Multiple filter cotton can filter impurities and fish manure, improve water quality, and ensure a clean aquatic environment in the aquarium.The filter can generate abundant bubbles and water flow to provide sufficient oxygen for the fish..
  • 【Silent Aquarium】 When the water level becomes lower due to the evaporation of water, the sound becomes louder. If the added water reaches the max line, the sound of the water will become smaller. If you are worried about the sound of water at night, you can turn off the power..
  • 【About fish types】 This fish tank is suitable for small fish such as betta fish angelfish gouramis goldfish tropical shrimp lobste....
Check Stock

ERAARK Aquarium kit Betta Fish Tank self Cleaning, Smart Aquarium That Supports Bluetooth, Small Fish Tank with Filter Light Coral Water Pump, Fish Tank Starter Kits Fish Bowl(Pink)

  • 【Adjustable light color through APP】 This is a smart aquarium that allows you to adjust the color of the light through the APP. You can choose red, orange, yellow, green, blue, purple and other light colors. This not only promotes the growth of fish, but also makes the underwater world more colorful.The light is soft, which can protect the eyes and fish, and prevent the viewer and the fish from feeling discomfort due to the stroboscopic effect..
  • 【Multiple Filtration-Fish Tank Self Cleaning】 The aquarium filter uses a combination of physical and biological filtration to improve the filtration effect. Multiple filter cotton can filter impurities and fish manure, improve water quality, and ensure a clean aquatic environment in the aquarium.The filter can generate abundant bubbles and water flow to provide sufficient oxygen for the fish..
  • 【Silent Aquarium】 When the water level becomes lower due to the evaporation of water, the sound becomes louder. If the added water reaches the max line, the sound of the water will become smaller. If you are worried about the sound of water at night, you can turn off the power..
  • 【About fish types】 This fish tank is suitable for small fish such as betta fish angelfish gouramis goldfish tropical shrimp lobste....
Check Stock

AQQA Aquarium Internal Filter, Submersible Power Filter in-Tank with Adjustable Water Flow, Ultra Silent Biochemical Sponge Filtration for Fish Tank Water Clean

  • 【Powerful Filtering】Contains 3 filter media: Coarse media sponge can remove particles and debris.
  • activated carbon can remove peculiar smell and discoloration in water.
  • ceramic ball can remove toxic ammonia and nitrite. Delivers mechanical, chemical and biological aquarium filtration to maintain a healthy aquatic environment.
  • 【Adjustable Flow Valve】This aquarium filter equipped with an adjustable flow regulator, that you can distributes gentle water flow to make it is safe for delicate fish or shrimp.
  • or you can creat a beautiful waterfall with rock in the fish tank.
  • Or you can set the maximum flow rate to achieve the best dissolved oxygen content to promote healthier and more active fish. Suitable water flow, fit for fish bowl and grass cylinder,so it satisfy your various demand.
  • 【3 in 1 Multi-function aquarium filter】This filter come with 2 kinds of water outlet and an air tube, you can switch increase oxygen and filtration, wave maker pump function easily. The transparent filter box is visible that you will know when to clean or replace the filter cartridge.
  • 【Ultra-Quiet】Ultra-quiet motor and internal pump design helps dampen noise and eliminate leaks with self-priming feature, more quiet than external filter. It's multiple noise redu....
Check Stock

AQQA Aquarium Internal Filter, Submersible Power Filter in-Tank with Adjustable Water Flow, Ultra Silent Biochemical Sponge Filtration for Fish Tank Water Clean

  • 【Powerful Filtering】Contains 3 filter media: Coarse media sponge can remove particles and debris.
  • activated carbon can remove peculiar smell and discoloration in water.
  • ceramic ball can remove toxic ammonia and nitrite. Delivers mechanical, chemical and biological aquarium filtration to maintain a healthy aquatic environment.
  • 【Adjustable Flow Valve】This aquarium filter equipped with an adjustable flow regulator, that you can distributes gentle water flow to make it is safe for delicate fish or shrimp.
  • or you can creat a beautiful waterfall with rock in the fish tank.
  • Or you can set the maximum flow rate to achieve the best dissolved oxygen content to promote healthier and more active fish. Suitable water flow, fit for fish bowl and grass cylinder,so it satisfy your various demand.
  • 【3 in 1 Multi-function aquarium filter】This filter come with 2 kinds of water outlet and an air tube, you can switch increase oxygen and filtration, wave maker pump function easily. The transparent filter box is visible that you will know when to clean or replace the filter cartridge.
  • 【Ultra-Quiet】Ultra-quiet motor and internal pum....
Check Stock