Tetra Aquarium Air Stone AS30 x12

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• Tetra Air Stone is a high porosity Airstone. Produces an even flow of fine pearlescent air bubbles. Minimal back pressure maximises the full capacity and liftetime of your air pump. Manufactured to high quality specifications for longer life. Tetratec airstones are designed to be run with any aquarium air pump such as the Tetratec APS range and standard aquariium airline hose. For maximium aeration the airstone should be placed as deep as possible within the aquarium.Dimensions 15mm x 30mm long