Aquarium Undergravel filters

Lees Under Gravel Filter for 1 and 2 Gallon Fish Bowls allows you to maintain fish safely in a bowl or small designer aquarium for long extended pe...

Lees Premium Under Gravel Filters clean your freshwater or saltwater aquarium through a biological filtering process that supports the growth of be...

Lees Under gravel Filter is the key to providing a strong biological filtration system. Aquarium under gravel filters utilize your tank's gravel su...