JSSEVN - Aquarium Air Pump, 10 pieces, one-way check valve, aquarium water stop accessory (3mm)

1. Made of plastic, beautiful and durable.

2. When the air pump is positioned lower than the water surface, prevent water backflow from damaging the air pump or other equipment. After adding the check valve, the air pump can be placed above or below the water surface, and there will be no backflow when the air pump stops working.

3. Prevents aquarium water from flowing back into the air pump and burning it out, avoiding any danger.

4. Wonderful accessory for aquarium air pumps.

5. 3 different sizes to choose from, meeting your various needs.

Specifications:

Condition: 100% Brand New

Item Type: Check Valve

Material: Plastic

Color: As shown in the picture

Optional Size: 3mm

3mm: Interface diameter is 3mm/0.1in

Suitable for: Aquarium air pump

Function: Used as an oxygenation pump, due to reverse water flow caused by the pressure difference between the inside and outside, when it suddenly stops working, it damages the oxygenation pump and causes water to overflow into the tank, leading to material damage. It prevents water from the tank from flowing back into the air pump and burning it out, thus avoiding any danger.

Essential accessories for air pumps. Package list: 10 non-return check valves