Fluval Spec / Evo / Flex Aquarium Foam Filter Block Filtration Media Fish Tank

Fluval Spec/Evo/Flex Foam Filter Block. Specifically designed for Fluval Spec Desktop Aquariums. Foam Filter Block is suitable for : Spec 2.6 US Gal / 10 L (Item# 10515, 10517), Spec 5 US Gal / 19 L (Item# 10516, 10518), Evo 5 US Gal / 19 L (Item# 10528)and Flex 9 US Gal / 34 L (Item# 15004, 15005).

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