Lees Original Undergravel Filter, 30" Long x 10" Wide (20 Gallons) Cat House Breaking Odor Eliminators Adult weight range prediction to

Adult weight range prediction to help with nutrition and diet choices

Mineral Oil

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The submerged motor begins filtering water immediately

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Lees Original Undergravel Filter, 30" Long x 10" Wide (20 Gallons) Cat House Breaking Odor Eliminators Adult weight range prediction toLees Undergravel Filter is the key to providing a strong biological filtration system. Undergravel filters utilize your tanks gravel substrate as a filtering surface area while providing oxygen to help aerate your aquarium water. Provides biological filtration and aeration to aquarium Includes airline diffusers, carbon cartridges, Discard A Stone and fish saver feature For use in fresh and saltwater aquariums Placed on the bottom surface of the