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:
5 x one way check valve