ACO 45 (ACO-208) – 30mm diaphragm. ACO 70 (ACO-318) – 43mm diaphragm. Elbow connector: 80x50x25 mm, ID 18mm. ACO 90 (ACO-388D) – 46mm diaphragm. HAP 60 – 60mm diaphragm. Easily adjust the flow of your air pump or split output across several channels.
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