One Way Plastic Non Return Check Valve Non return Valve Aquarium Water
The pressure range of the non-pressure one-way valve
Opening pressure: 0.003MPA (0.03kg water pressure)
Reverse back pressure: about 0.7MPA (7kg water pressure)
Great one way check valve for aquarium air pump
Protect you air pump by preventing aquarium water from back siphoning during a power outage.
Small and compact
Made of durable plastic