Air buttons are used to control on/off components in your spa such as the lights, jets, pumps, and the blower etc. Air buttons are connected to air tubing which allows the switch of hot tub components to turn on and off without the use of electricity. Air controls are a topside valve which controls the amount of air that is allowed to flow through the jets. The air control is also connected to air control tubing. At times, the tubing may need to be replaced as it may deteriorate and rodents love to gnaw on this type of materials. It's an inexpensive fix. Clamps for tightening the tubing connection is also available from GoPoolandSpa.com.