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Fish Tank Supplies > Fish Tank Filter > Fish Tank Internal Filter

Internal Aquarium Filters


Aquarium internal filters are fully submersible filters that work inside your aquarium. They are great for smaller aquariums with low bioloads as they tend not to have large media chambers; in larger tanks they are useful as supplements to an external canister filter, as you can place them in "dead spots" in your tank to provide even flow through the whole aquarium and assist with the bioload. Internal filters are also a great choice for low water habitats like turtle tanks.

We carry a great selection of internal power filters; as well as low-tech, old school corner and box filter setups driven by air pumps and easily sufficient for small tanks with few fish. We also carry replacement filter cartridges and filter parts for most models.


Sort By: Name | Price 
Small World Filter
Economy Corner Filter
Duetto Multi Filter 50
Clearfree 1 Corner Filter
Small World Filter

$4.99
Economy Corner Filter

$2.99
Duetto Multi Filter 50

$17.99
Clearfree 1 Corner Filter

$5.99
Clearfree II Corner Filter
Microclean 304 Internal Filter
Microclean 316 Internal Filter
Fluval 1 Plus Internal Filter 50GPH
Clearfree II Corner Filter

$8.99
Microclean 304 Internal Filter

$15.99
Microclean 316 Internal Filter

$19.49
Fluval 1 Plus Internal Filter 50GPH

$24.99
Fluval 2 Plus Internal Filter 105GPH
Fluval 3 Plus Internal Filter 185GPH
Fluval 4 Plus Internal Filter 260GPH
Whisper In-Tank Filter 10i - 90 gph
Fluval 2 Plus Internal Filter 105GPH

$36.99
Fluval 3 Plus Internal Filter 185GPH

$46.99
Fluval 4 Plus Internal Filter 260GPH

$61.99
Whisper In-Tank Filter 10i - 90 gph

$12.99
Whisper In-tank Filter 40i - 170 gph
Whisper In-tank Filter 20i - 125 gph
Whisper In-tank Filter 40i - 170 gph

$27.99
Whisper In-tank Filter 20i - 125 gph

$19.99

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