Collection: External Fish Tank Filters

A key piece of equipment for many coldwater, tropical and marine fish tanks, finding the right external canister filter for your aquarium is of vital importance to the cleanliness of your tank, and the health and wellbeing of your fish. At Aquacadabra, we have one of the UK's largest selections of external fish tank filters, giving fishkeepers the opportunity to choose the perfect external filter for their aquarium. Browse the full range below to view the range of brands and sizes available.


Featuring external fish tank filters from some of the UK's leading fishkeeping brands, including Aqua One, Eheim, Fluval and Tetra, our collection of aquarium canister filters at Aquacadabra displays the full breadth of power and technology available. Suitable for tanks ranging from 10lts to 2,200lts, there's an external filter to suit your needs above or, if you'd prefer, our internal fish tank collection features alternate options to browse through.