M6-M16 To 3-12mm Direct Connectors With Hex Nut O-Ring Aquarium Tank Air Pump Adapter Garden Irrigation PP Pagoda Hose Joint

Product details and features:

All food grade PP material, environmental protection, non-toxic and non-toxic

Acid and alkali resistant

Can be used in aquarium, food, medical treatment, irrigation, municipal water supply, etc

Note: Size is measured by hand, there may be some little error, please understand