5Pcs Aquarium Check Valve For Air Pump Plastic One Way Non-Return Accessories For Fish Tank Air Line Tube Hose Pipe Pet Product

product name：check valve

Material: Plastic

Dimension: Approx.42mm x 12mm x5mm (Length*Diameter*Tubule diameter)

Net weight: About 2G

[Specification]

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 rubber hose sticking!

Specifications:

Features:

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

Package Included:

Check valve*5

Notes:

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--Please allow 1-3mm error due to manual measurement.

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