NON RETURN VALVE

Description

NON RETURN VALVE

NON RETURN VALVE

Suitable for the 4*6mm diameter tubes.
Place in the air tubing between your air pump and aquarium water.
The end marked with “OUT” is the outlet.
Check valve only, other items are not included.
Material: plastic.
Whole Length: 36mm.

Function
1.To prevent water back flow to damage the front end of the pump or other products and equipment.
2. After the addition of the stop valve, the pump can be placed above or below the surface of the water to prevent the risk of water back flow when the pump is shut off.
Description
1. Used for oxygen pump to prevent water back flow to damage oxygen pump.
2. To prevent the water inside the tank back into the pump to burn the air pump.
3. To avoid danger, it is an essential accessory for the air pump.
Reminder
Each outlet need to connect a stop valve, two-headed pump need two stop valves, and so on.
Specification
1. Material: Plastic
2. Color: Blue
3. Weight: about 1g
4. Size:
Overall length: 36 mm / 1.42 in, the diameter of the middle circle: 8 mm / 0.31 in
Two ends: inner diameter:3 mm / 0.12 in, outer diameter: 4 mm / 0.16 in