Economy Undergravel Filter for 20L and 29 Gallon – 12 in. x 30 in.

Economical and trouble-free bio-filtration for a variety of tank sizes. Lee’s Undergravel Filters feature adjustable uplift tubes with a fish-saver feature, preventing fish injuries from the filter.

Complete with a slim Discard-a-Stone air diffuser and break-resistant, semi-flexible plastic flat design filter plate, these Undergravel Filters offer efficient biological filtration.

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