Penn Plax Aqua-Mist Add-A-Stone Airstone - 5.5" Long x 2" Wide

Penn Plax Aqua-Mist Airstone adds a healthy stream of bubbles to your aquarium. This long-lasting sand stone aquarium aerator will add beauty to your fresh or saltwater aquarium. Adds a healthy stream of bubbles to your aquarium. Multiple stones can be connected together. Sandstone airstones can be used in fresh or saltwater aquariums.