Material: ABS plastic. Durable, sturdy, not easy to break
Air Hole Diameter: 4mm; Fit for 4mm inner diameter standard aquarium air hose
Necessary parts for your air pump aquarium O2 system; Note: Please do not use them with CO2 systems
Aquarium air pump check valve - The one way check valve can be applied for common aquarium air pumps; Prevent the air pump from being damaged by the backflow of water when the air pump stops working or power outage
Key Features
Necessary parts for your air pump aquarium O2 system ●Fit for 4mm inner diameter standard aquarium air hose ●Perfect for fish tank, aquarium, fishing tackle shop, etc. ●Easy to install, can be applied for common aquarium air pumps ●Prevent the air pump from being damaged by the backflow of water when the air pump stops working or power outage, effective protection for your air pump ●These aquarium air pump check valves are detachable, you can unscrew it to open for easy cleaning and maintenance
Notice: 1. Due to the reason of light and the display, the color may have slight difference. This is inevitable, please understanding! 2. Please allow slight dimension difference due to different manual measurement .
Specification
Value
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