RuiLing 10pcs Air Pump Check Valves Pipe Fitting for Aquarium Fish Tank CO2 Water Air Line Pump One Way Non-Return Actuator Check Valve

Description

Specification: Type: Air Pump Check Valves Overall Length: 51mm Material: Plastic Color: Black Quantity: 10pcs Function: When the oxygen pump is placed below the water level of the tank (such as on the bottom cabinet or table), when the oxygen pump stops working due to power failure or other reasons, it may cause the tank water to flow into the oxygen pump,to damage or burn out the oxygen pump, the check valve can solve this problem. Tips: 1. It may reduce the air delivery capacity a little beca