Model P2021-8201 Alpha Ionizing Air Guns are used for efficiently removing particles and reventing their re-attraction. Attach to dry compressed air or gas line. Can be safely used in pain spray rooms or other volatile environments. Ionization is constantly balanced without adjustment. 1/4" female connection is standard. The ergonomic handle is a customer favorite in many industries including plastic manufacturing finishing and auto body repair. Devices made to order to ensure our customers get the longest use possible.