Specification:
Condition: 100% Brand New
Item Type: Non-Return Check Valve
Material: plastic
Color: As picture shown
Optional Size: 3mm, 5mm, 7mm
3mm: The interface diameter is 3mm/0.1in
5mm: The interface diameter is 5mm/0.2in
7mm: The interface diameter is 7mm/0.3in
Suitable for: Aquarium air pump
Function: Used as an oxygenation pump due to the water current reversed due to the pressure difference between the inside and outside when it suddenly stops working, damages the oxygenation pump and causes the water in the tank to overflow to form property damage, prevents the water in the fish tank from flowing back into the air pump, and burns the air pump to avoid danger. Indispensable accessories for air pumps.
Features:
1Using plastic material, beautiful and durable. 2When the position of the air pump is lower than the water surface, prevent the backflow of water from damaging the front air pump or other equipment. After adding the check valve, the air pump can be placed above the water surface or below the water surface, and there will be no backflow of water when the air pump stops working. 3Prevent the water in the fish tank from flowing back into the air pump and burn the air pump to avoid danger. 4Wonderful accessory for aquarium air pump. 53 different sizes for you to choose, meet your different needs.
Package List:
10 x Non-Return Check Valve
