One Way Non-Return Check Valve Aquarium Co2 System Air Pump Red 4mm Pipe

Description:

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 It's easy to install Compatible with standard aquarium air pipe of 4mm inner diameter Full Length: Approx. 5.3cm(2.1 inch) Color: Red

Package Includes: 1pc or 10pcs one way check valve

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