Description
Package Contents: 5 x Aquarium check valves Product name: Check Valve Material: Plastic Color: Blue Uses: fish tank, aquarium. Protect your air pump by preventing backflow of water from the aquarium during a power outage. Place between the air pump in your airline’s pipeline and the aquarium water to prevent water from flowing back from the air line. The product is marked with an OUT arrow and is easy to install. It is suitable for standard air pipelines of 4-6 mm. Made of durable plastic.Made o





