5~200pcs M6 M8 G1/8~G1/2 Thread To 2-12mm PP Bulkhead Union Elbow Connectors Hex Nut Aquarium Fish Tank Air Pump Hose Connector

5~200pcs M6 M8 G1/8~G1/2 Thread To 2-12mm PP Bulkhead Union Elbow Connectors Hex Nut Aquarium Fish Tank Air Pump Hose Connector

AliExpress