4mm NonReturn One Way Check Valve For Aquarium Fish Tank Water Air Pump 4MM

Specifications:
:White
Inner diameter: 4mm

Easy to install
Durable plastic
Small and compact
Great one way check valve for aquarium air pump
Compatible with standard aquarium air pipe of 4/6/8/10/12mm inner diameter
Protect you air pump by preventing aquarium water from back siphoning during a outage

Package Included:
1x Check Valve Air Pumps








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