Specification: Material: plastic Color: black Length: Approx. 5.5cm/2.2in Suitable for air inlet / outlet Gauge Tube of 4mmage Included: 20 x Water Check ValveNotice: Each outlet needs to be installed one. The double-headed air pump needs two stop valves to prevent the water in the hose of the aeration pump from flowing back to the machine and damage the front-end air pump or other product equipment.
20Pcs Aquarium Air Pump Check Valves Black Plastic One Way Non-return Check Valve Air Pump Accessories for Fish Tank
$20.99
- 【Protect Air Pump】The water flow is reversed due to inside and outside pressure difference when oxygen filling pump is suddenly stopped, and the oxygen-filled pump is damaged and the water in the cylinder overflows. The check valve can prevent the water in the fish tank from flowing back into the air pump and burn the air pump.
- 【Non-Return】It prevents water backflow from damaging the front-end air pump or other product equipment when the air pump is placed below the water surface. After adding the stop valve, the air pump can be placed above the water surface or below the water surface, and there is no danger of water returning when the air pump is powered off and stopped working.
- 【High Quality】Made of premium plastic material, our check valve has a good stability and durability.
- 【Easy Installation】Lightweight, thus it is easy to install and use.
- 【Quality Guarantee】Guarantee 100% refund, if you have any dissatisfaction on the quality of goods, please contact us, we are willing to send you a new goods or a full refund.
In stock