Air Release UN-4722
This is a 5M extension tube for UN-4701 remote controller.
Air Release
Air Release 
Air Release UN-4711
This is a handy type of air release that activates the plunger with the power of compressed air.
Air Release UNP-4702
Super Long Air Release 10M Uses polyurethane tubing that is resistant to changes in air pressure.Size: Total length 10 m...
Air Release UN-4701
When you hold the rubber ball in your hand, compressed air passes through a flexible tube connected to the ball and instantly activates a plunger 6 meters away.