Product description
Condition: And High Quality
Dimension: Approx.42mm x 12mm x5mm (Length*Diameter*Tubule diameter)
Color:Black white,Red white
Package Includes:5PCS Check Valves
It is suitable for more than 99% of oxygen pumps to stop flow, and the oxygen pipe with an inner diameter of 4mm is universal.
Function of check valve - when the oxygen pump is placed below the water level of the fish tank (such as on the bottom cabinet or desktop), when the oxygen pump stops working due to power failure or other reasons, the fish tank water may flow back into the oxygen pump, resulting in water inlet damage or burning of the oxygen pump. The check valve can solve this problem.
Subvert the traditional check valve, and there will be no hose sticking!
Safe and durable products, g reat one way check valve for aquarium air pump.
Protect your air pump by preventing aquarium water from back siphoning during a power outage.
Place in your airline tubing between your air pump and aquarium water to prevent water returning down the air line.
Made of durable plastic,small and compact,It's easy to install.
Compatible with standard aquarium air pipe of 4mm inner diameter.
Perfect accessories for better life.
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