10 Best Submersible Aquarium Filters of 2025

Tested and Reviewed: Top 10 Submersible Aquarium Filters deals with expert ratings from 8.1 to a perfect 10

July 2025 Edition

Editor's Choice

9.7

SainSmart

XpertMatic Aquarium Filter for 120-170 Gallon Tank, Internal Fish Tank Filter with Water Pump, 528 GPH 3 Stages Biochemical Sponge Filter for Large Tank, Pond, Wavemaker, Air Supply, SainSmart

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Editor's bottom line:

“This submersible aquarium filters is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Stronger Suction - This upgraded aquarium filter has stronger suction than the original version. Up to 35W power and 528GPH max flow rate ensure waste and impurities in the tank are captured effectively, making your tank clean in a shorter time. 3 stages of biological cotton to ensure water clarity and effectively purify water and adsorb odors. Provide a healthy living environment for your lovely pets.
Compact Design - The filter cartridge of the upgraded version is made of transparent ABS, which is stronger and more durable than the original version. The transparent material can let you check the use of the filter element whenever you want and replace it in time. This silent filter operates with a sound less than 35dB. It can provide you with an ultra quiet working environment.
Wide Application - 528 GPH (2000L/H) max flow rate, max lift height of 5.9ft. Fits a range of different size tanks, up to 170 gallons with a feature no more than 4.92ft in height. Can be used for freshwater or saltwater.
Extensive Expansibility - This internal filter can be used as a submersible pump that effectively promotes continuous circulation of water in the tank. Filter cartridges can be filled with other filter mediums depending on your needs.
Easy to clean & assemble - It can be disassembled effortlessly without any tools and easily replace the filter cartridge. All you need to do is clear the cartridge and replace the filtration.

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Picked by 165 people today

9.5

Pawfly

Pawfly Internal Aquarium Filter, Submersible Power Filter with 55 GPH Water Pump for 3 to 10 Gallon Fish Tanks Filtration Circulation and Oxygenation

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Main Highlights

Fine Sponge Filtration: the submersible aquarium filter provides mechanical and biological filtration and trap debris or wastes without sucking up shrimp or fry. Keep fish tanks crystal clear and healthy.
55 GPH Water Pump: 2 types of water outlets (drenching pipe & spraying pipe). Slide the knob to freely adjust water flow as needed. Greatly promote water circulation to keep water fresh.
For 10 Gal Tanks: Size: 1.4" W x 4.9" H; Power: 3 W. Fit for 3-10 gallon small fish tanks. The internal aquarium filter is suitable for the breeding and feeding of various ornamental fish, shrimp or fry.
Oxygen Supplement: The fish tank filter is equipped with clear airline tubing for easy air entry. Produce numerous bubbles a great way to increase oxygen solubility in the water and enliven the aquatic lives.
Easy to Clean: Separate the pump from the filter, remove the impeller cover and clean the pump thoroughly. Remove the bottom cover to take out the sponge. Rinse the sponge every 2 weeks only wash it with aquarium water!

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Best Value

9.5

Save 50%

myfole

myfole 480 GPH Submersible Aquarium Internal Filter Pump for (50 to 160 Gallon) Fish Tank and Pond with Chemical, Physical, and Biological Filtration

50% OffFree Shipping

Main Highlights

Notes: Must place the pump head UNDER the water level to prevent overheat of pump. The pump works under 110V and has a USA standard plug, NOT for Australia Market.
Oxygen Supply: the filter would add oxygen to the water and improve growth of fish. It also provides oxygen to beneficial microbes in water filtration and ensure the water to be crystal clear.
Wide Applications: Suitable for marine and freshwater aquariums. The filter could be lift up or laid down, which could be used in fish tank or low water level turtle tank.
Multiple Filter Box: the filter boxes could be easily set up or cleaned. Multiple boxes have more room for filter media and filter cartridges.
Multi-functional: The filter have both filter and air bump functions. You can easily switch from filter only function to multi-functional modes by adjusting the air tube. It has three stage filtration system, Chemical, Physical, and Biological Filtration

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9.2

NICREW

NICREW Aquarium Internal Filter, Submersible Power Filter with Multiple Function for Fish Tanks 5-10 Gallon, 53 GPH, 5W

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Main Highlights

Provides effective and thorough biological and chemical filtration, creating superior aquarium water environment
Activated carbon and fine filter foam trap debris and fish waste, absorb odors
Enable to generate abundant air bubbles and water flow, optimal for oxygen supplement and water circulation of aquarium
Equipped with adjustable air regulator that distributes a gentle flow of water, making it safe for delicate fish or shrimp
Quickly assembles and disassembles, comes with four suction cups for secure in-tank installation, suitable for both freshwater and saltwater tanks

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9.0

OQTTNEO

OQTTNEO Aquarium Internal Filter for 20-50 Gallons, Ultra-Quiet Fish Tank Filter Biochemical Filtration 320GPH Powerful Pump Submersible Aquarium Filter Tank Clear Air Supply

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Main Highlights

Efficient & Quick Filtration: Equipped with a powerful motor and 360° large area bio filter sponge, our aquarium internal filter effectively removes impurities, debris, and harmful substances, ensuring crystal clear water.
Powerful Water Circulation: The included 320 GPH filtration pump delivers strong water circulation and oxygenation, promoting a healthy ecosystem for your fish and aquatic plants. Suit 20-50 gallon tanks.
Easy Installation: Quick and simple setup with included powerful suction cups and instructions. Easy to remove the sponge for cleaning or replacing other filter media.
Space-Saving Design: The compact and sleek design of our fish tank filter maximizes the available swimming space for your fish while providing efficient filtration, ensuring both beauty and functionality.
Quiet: Say goodbye to noisy filtration systems. Our aquarium filter operates silently, ensuring a tranquil and stress-free environment for both you and your aquatic companions.
After-Sales Support: We offer worry-free 18-month and 24/7 online support.

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8.8

NO.17

NO.17 Submersible Aquarium Internal Filter 8W, Adjustable Fish Tank Filter with 200 GPH Water Pump for 10-50 Gallon Fish Tank Black

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Main Highlights

[8W AQUARIUM FILTER]: This Fish Tank Internal Filter is a system that create a clean and fresh living environment for your lovely fish. 8 watt is perfect for 10-50 gallon large aquariums.
[ADJUSTABLE 200 GPH WATER PUMP]: Max Flow Rate: 200 GPH(800L/H), Max Lift height: up to 3.28 Feet.(Length of power cord:1.6M=5.25ft). This water pump is designed for reliability and ultra-quiet operation, and you have a key to adjust the flow rate.
[2NOZZLE, 2 MODEL]: In this package, there have 2 nozzle, you could choose 2 nozzle to clean and fresh your aquarium.
[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]: All products purchased from our company are guaranteed to keep in good repair for 180 days.If quality problems happen in guaranteed period, our company will maintain for free.

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8.6

TARARIUM

Aquarium Filter for 40-150 Gal. Tank Crystal 300GPH Biochemical Filtration Powerful Pump Submersible Internal Fish Tank Filters Large Tank Pond Clear Wavemaker Air Supply 4 in 1

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Main Highlights

CRYSTAL CLEAR - Reducing the number of times the fish tank needs to be changed. Aquarium air pump, filtration, water pump, and water waves making all in one multi-functional underwater aquarium filter.
DOUBLE DEEP FILTRATION - Black biochemical filter sponge can reduce the odor and yellow water in the fish tank. decomposing the excrement and forage leftover. Wash regularly, can be reused after rinsing, durable.
QUIET WORKING - The sound level is less than 40 DB when the fish tank working This silent fish tank filter is internal noise reduction, external silicone cushioning suction cup, reduces noise, and lets the family enjoy a quiet life.
PERFECT FOR LARGE TANK - The filter has a strong power to make the waves bigger, increase the water surface fluidity, insert the oxygen tube can oxygen supply, so that the whole fish tank to form a water cycle, suitable for 40-150 Gallon large fish tank.
ONE YEAR - If any questions or problems with this aquarium filter, please contact the service email box on the package, we will solve them and reply in 48 hours. Holiday or rest days will be delayed a little time.

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8.3

TARARIUM

TARARIUM Aquarium Filter U-V for 20-75 Gallon, 200GPH Fish Tank Filter w/ 5W U-V Light Green Clean Machine Submersible Powerful Pump Internal Filter for Turtle Tank Saltwater Freshwater Crystal Clear

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Main Highlights

CRYSTAL CLEAR - Turns CLOUDY and GREEN water crystal clear in 3-7 days. The larger the fish tank, the longer it takes. Reduce the number of water changes in the fish tank.
DOUBLE FILTRATION - First stage Biochemical Sponge Filter. Second stage 254nm wavelength U-V Light.
SEPARATE SWITCHES - Control the water pump and fish tank light separately. When you only want to use the aquarium filter function, you can turn off the fish tank U-V light separately.
SMELLS FRESH - Once the fish tank is full of green will be accompanied by the smell. This green killing machine can reduce the unpleasant smell in the fish tank.
EASY TO CHECK LIGHT UP - You can easily check that the light is on from the outside of the machine, don't need to take the machine apart to see it.

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8.1

Save 16%

Fluval

Fluval U3 Underwater Filter – Designed for Freshwater and Saltwater Aquariums, Also Ideal for Terrariums and Turtle Tanks

16% OffFree Shipping

Main Highlights

Use as a primary filter for smaller aquariums, or supplementary filter for larger aquariums
Sleek design with easy grip water control panel and redesigned media cartridge to trap more debris
Convenient flip-top lid allows for quick and easy access to filter cartridge for maintenance or replacement
Position horizontally for shallow tanks, larger tanks with low water levels, or to create a decorative waterfall feature or vertically against aquarium wall to create currents or customized flow patterns
Designed for freshwater, saltwater and reptile environments up to 40 gallons

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8.1

Save 16%

MarineLand

MarineLand Magnum Polishing Internal Canister Filter, For aquariums Up To 97 Gallons, 10.5 IN (ML90770)

16% OffFree Shipping

Main Highlights

INTERNAL CANISTER FILTER: Submerged motor for quick and easy startup.
VERSATILE FILTRATION: Two refillable chambers house carbon or customizable filter media.
MICRON WATER POLISHING: High-efficiency polishing with the micron cartridge (included).
FOR aquariumS UP TO 97 GALLONS: Capable of filtering 290 gallons of water per hour.
Included Components: Marineland Magnum Polishing Internal Canister Filer (Ml90770)

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Our Best Overall Choice

Best Choice

9.7

SainSmart

XpertMatic Aquarium Filter for 120-170 Gallon Tank, Internal Fish Tank Filter with Water Pump, 528 GPH 3 Stages Biochemical Sponge Filter for Large Tank, Pond, Wavemaker, Air Supply, SainSmart

Free Shipping

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Stronger Suction - This upgraded aquarium filter has stronger suction than the original version. Up to 35W power and 528GPH max flow rate ensure waste and impurities in the tank are captured effectively, making your tank clean in a shorter time. 3 stages of biological cotton to ensure water clarity and effectively purify water and adsorb odors. Provide a healthy living environment for your lovely pets.
Compact Design - The filter cartridge of the upgraded version is made of transparent ABS, which is stronger and more durable than the original version. The transparent material can let you check the use of the filter element whenever you want and replace it in time. This silent filter operates with a sound less than 35dB. It can provide you with an ultra quiet working environment.
Wide Application - 528 GPH (2000L/H) max flow rate, max lift height of 5.9ft. Fits a range of different size tanks, up to 170 gallons with a feature no more than 4.92ft in height. Can be used for freshwater or saltwater.
Extensive Expansibility - This internal filter can be used as a submersible pump that effectively promotes continuous circulation of water in the tank. Filter cartridges can be filled with other filter mediums depending on your needs.
Easy to clean & assemble - It can be disassembled effortlessly without any tools and easily replace the filter cartridge. All you need to do is clear the cartridge and replace the filtration.

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