BUBBLE DONUT 3″ Air Diffuser

DescriptionBUBBLE DONUT AIR STONE by Marine Metal Products is a 3 inch weighted glass bead air diffuser designed to operate with all “D” battery, 12  Volt and 110 Volt air pumps.Made for minnow buckets, coolers and livewells. Stays on bottom with included suction cup.Creates a circle of bubbles that helps keep fish healthy.Soak in water 1 hour before initial use.