4mm Non-Return Airline Valve

One way Valve to connect 4mm pipe.

Necessary equipment for the aquarium and water systems to avoid the reverse flow of water due to the difference in water pressure during a power outage helps to reduce the risk of damage to the tank.

• Total length 53 mm / 2.08 inches
• Connecting part 13.5 mm / 0.53 inches
• Diameter 4 mm / 0.15 inches
• Durable and lightweight
• Easy to install and disassemble