Instructions:Soak in water at least one hour before turning on air.Position in tank. Bury the bottom third of bubble bar with gravel or stones.Attach to pump with airline tubing and a check valve (sold separately) Regulate airflow through use of a gang valve (sold separately). Air pump not included.
Petco 14" Bubble Bar for Fresh and Saltwater Aquariums
Dimensions: 14" Length
Petco 18" Bubble Bar for Fresh and Saltwater Aquariums
Dimensions: 18" Length