Internal Filters

37 products

Showing 1 - 37 of 37 products

Browse our range of internal filters for aquarium fish tanks online. Internal filtration is designed to sit submersed inside your fish tanks and provide circulation flow.

Internal filters are available for many sizes of aquaria, and are specifically designed for small to medium aquariums, including nano and shrimp aquariums.

Choose from a selection of internal aquarium filters from top brands like Aquael, Betta and Fluval.

Klarna is available at checkout on all products shown below. Click here for full Klarna terms and conditions.

Showing 1 - 37 of 37 products
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SuperFish Aqua-Flow 100 Aquarium Internal Filter 200L/hSuperFish Aqua-Flow 100 Aquarium Internal Filter 200L/h
SuperFish SuperFish Aqua-Flow 100 Aquarium Internal Filter 200L/h
£12.49
Pre-order
SuperFish Aqua-Flow 300 Aquarium Internal Filter 540L/h
SuperFish SuperFish Aqua-Flow 300 Aquarium Internal Filter 540L/h
£20.49
In stock
SuperFish Aqua-Flow 50 Aquarium Internal Filter 100L/hSuperFish Aqua-Flow 50 Aquarium Internal Filter 100L/h
SuperFish SuperFish Aqua-Flow 50 Aquarium Internal Filter 100L/h
£10.49
In stock
Betta Fish Tank Internal Filter 150L/h Aquariums up to 25L
Betta Betta Fish Tank Internal Filter 150L/h Aquariums up to 25L
£8.49
Pre-order
Dennerle Nano 40 Corner Filter Shrimp Safe tanks up to 40LDennerle Nano 40 Corner Filter Shrimp Safe tanks up to 40L
Dennerle Dennerle Nano 40 Corner Filter Shrimp Safe tanks up to 40L
£22.49
In stock
Aquael Aquarium MINI UV LED Steriliser Internal Filter Add On
Aquael Aquael Aquarium MINI UV LED Steriliser Internal Filter Add On
£22.99
In stock
Ciano Aquarium Internal Filter CF40 200L/hCiano Aquarium Internal Filter CF40 200L/h
Ciano Ciano Aquarium Internal Filter CF40 200L/h
£17.49
In stock
Fluval Surface Skimmer SK400 for tanks up to 400LFluval Surface Skimmer SK400 for tanks up to 400L
Fluval Fluval Surface Skimmer SK400 for tanks up to 400L
£20.49
In stock
SuperFish Aqua-Flow XL Aquarium Internal Filter 500L/h
SuperFish SuperFish Aqua-Flow XL Aquarium Internal Filter 500L/h
£26.49
In stock
Betta Fish Tank Internal Filter 600L/h Aquariums up to 100L
Betta Betta Fish Tank Internal Filter 600L/h Aquariums up to 100L
£12.49
Pre-order
Aqua One Fish Tank Internal Filter IFXE 50 250L/h Aquariums up to 50L
Aqua One Aqua One Fish Tank Internal Filter IFXE 50 250L/h Aquariums up to 50L
£11.49
In stock
Dennerle Nano 60 XL Corner Filter Shrimp Safe tanks up to 60LDennerle Nano 60 XL Corner Filter Shrimp Safe tanks up to 60L
Dennerle Dennerle Nano 60 XL Corner Filter Shrimp Safe tanks up to 60L
£26.49
In stock
Betta Fish Tank Internal Filter 300L/h Aquariums up to 50L
Betta Betta Fish Tank Internal Filter 300L/h Aquariums up to 50L
£9.49
In stock
Ciano Aquarium Internal Filter CF80 380L/hCiano Aquarium Internal Filter CF80 380L/h
Ciano Ciano Aquarium Internal Filter CF80 380L/h
£21.49
In stock
Fluval U4 Aquarium Internal Filter 1000L/h for tanks up to 240LFluval U4 Aquarium Internal Filter 1000L/h for tanks up to 240L
Fluval Fluval U4 Aquarium Internal Filter 1000L/h for tanks up to 240L
£73.49
In stock
Eheim Pick-Up Internal Filter 45 2006 Tanks up to 45LEheim Pick-Up Internal Filter 45 2006 Tanks up to 45L
Eheim Eheim Pick-Up Internal Filter 45 2006 Tanks up to 45L
£19.99
Pre-order
Betta Fish Tank Internal Filter 800L/h Aquariums up to 130L
Betta Betta Fish Tank Internal Filter 800L/h Aquariums up to 130L
£14.49
In stock
Fluval U3 Aquarium Internal Filter 600L/h for tanks up to 150LFluval U3 Aquarium Internal Filter 600L/h for tanks up to 150L
Fluval Fluval U3 Aquarium Internal Filter 600L/h for tanks up to 150L
£60.49
In stock
Fluval U2 Aquarium Internal Filter 400L/h for tanks up to 110LFluval U2 Aquarium Internal Filter 400L/h for tanks up to 110L
Fluval Fluval U2 Aquarium Internal Filter 400L/h for tanks up to 110L
£45.99
Pre-order
Dennerle Nano 100 XXL Corner Filter Shrimp Safe tanks up to 100LDennerle Nano 100 XXL Corner Filter Shrimp Safe tanks up to 100L
Dennerle Dennerle Nano 100 XXL Corner Filter Shrimp Safe tanks up to 100L
£50.49
In stock
Eheim Micro Surface Skimmer Skim350Eheim Micro Surface Skimmer Skim350
Eheim Eheim Micro Surface Skimmer Skim350
£27.49
Pre-order
Aqua One Fish Tank Internal Filter IFXE 200 1000L/h Aquariums up to 200L
Aqua One Aqua One Fish Tank Internal Filter IFXE 200 1000L/h Aquariums up to 200L
£26.49
In stock
Fluval U1 Aquarium Internal Filter 250L/h for tanks up to 55LFluval U1 Aquarium Internal Filter 250L/h for tanks up to 55L
Fluval Fluval U1 Aquarium Internal Filter 250L/h for tanks up to 55L
£26.99
In stock
SuperFish Aqua-Flow 200 Aquarium Internal Filter 500L/hSuperFish Aqua-Flow 200 Aquarium Internal Filter 500L/h
SuperFish SuperFish Aqua-Flow 200 Aquarium Internal Filter 500L/h
£18.49
In stock
Betta Fish Tank Internal Filter 1300L/h Aquariums up to 220L
Betta Betta Fish Tank Internal Filter 1300L/h Aquariums up to 220L
£16.49
In stock
Marina i160 Internal Filter for Aquariums up to 160L
Marina Marina i160 Internal Filter for Aquariums up to 160L
£19.95
In stock
Eheim Pick-Up Internal Filter 160 2010 Tanks up to 160L
Eheim Eheim Pick-Up Internal Filter 160 2010 Tanks up to 160L
£29.25
In stock
Eheim Pick-Up Internal Filter 60 2008 Tanks up to 60LEheim Pick-Up Internal Filter 60 2008 Tanks up to 60L
Eheim Eheim Pick-Up Internal Filter 60 2008 Tanks up to 60L
£23.99
Pre-order
SuperFish Aqua-Flow 400 Aquarium Internal Filter 800L/hSuperFish Aqua-Flow 400 Aquarium Internal Filter 800L/h
SuperFish SuperFish Aqua-Flow 400 Aquarium Internal Filter 800L/h
£26.49
In stock
Aqua One Fish Tank Internal Filter IFXE 150 600L/h Aquariums up to 150L
Aqua One Aqua One Fish Tank Internal Filter IFXE 150 600L/h Aquariums up to 150L
£22.49
In stock
Aqua One Fish Tank Internal Filter IFXE 100 350L/h Aquariums up to 100L
Aqua One Aqua One Fish Tank Internal Filter IFXE 100 350L/h Aquariums up to 100L
£16.49
In stock
Fish R Fun Internal Aquarium UV Steriliser 9w 200L/hFish R Fun Internal Aquarium UV Steriliser 9w 200L/h
Fish R Fun Fish R Fun Internal Aquarium UV Steriliser 9w 200L/h
£47.49
Sold out
Marina i110 Internal Filter for Aquariums up to 100L
Marina Marina i110 Internal Filter for Aquariums up to 100L
£17.99
In stock
Marina i25 Internal Filter for Aquariums up to 25L
Marina Marina i25 Internal Filter for Aquariums up to 25L
£11.99
In stock
Fluval Mini Filter for tanks up to 45L
Fluval Fluval Mini Filter for tanks up to 45L
£20.49
In stock
Eheim Pick-Up Internal Filter 200 2012 Tanks up to 200LEheim Pick-Up Internal Filter 200 2012 Tanks up to 200L
Eheim Eheim Pick-Up Internal Filter 200 2012 Tanks up to 200L
£36.79
In stock
Fish R Fun Internal Aquarium UV Steriliser 3w 200L/hFish R Fun Internal Aquarium UV Steriliser 3w 200L/h
Fish R Fun Fish R Fun Internal Aquarium UV Steriliser 3w 200L/h
£31.49
Sold out

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