Yosoo Fish Tank Air Pump, Hot Aquarium Bubble disk/air difusser for Koi Pond 10.7CM

Our air disk adopts finely compressed material, it can produce small and dense bubble. The disk is encased in a heavy duty plastic, and the air bubble is concentrated at one surface, producing a evenly distrubuted bubble wall. High temperature sintering bubble stone adopts the high temperature sintering made, durable and reusable, easy to clean. Different from the general thefunctionalities of bubble stone. 2 stage connector head make it easy to connect to airtube with a smooth connector head. Need to purchase another air pump and trachea to use together.