Pssopp 10Pcs Aquarium AirControl Valve One Way Non-Return Check Valve Aquarium Fish Tank Oxygen Air Pump Check Valve(Black)

Description

Item Type: Aquarium Check Valve Material: Plastic Optional Color: White, Red, Black Quantity: 10Pcs Item Size: 10 * 10 * 3cm / 3.9 * 3.9 * 1.2inch Package Weight: Approx. 30g 【Function】Greatly protect the oxygenation pump from damaging by water retrograde into pump. way check valve is placed in your airline tubing between your air pump and aquarium water to prevent water returning down the air line. 【Air Pump Accessories】Non return air pump safety valve, an essential accessories of pump. Complet