Koi Air Pump Manifold Rubber Connector Elbow / Straight and Clips Pond Aeration
Elbow connector: 80x50x25 mm, ID 18mm. ACO 45 (ACO-208) – 30mm diaphragm. ACO 70 (ACO-318) – 43mm diaphragm. ACO 90 (ACO-388D) – 46mm diaphragm. Easily adjust the flow of your air pump or split output across several channels.