Silicone Sleeves for Air Line
Devilbiss Oil Free Pump Parts (Station)

Price: $4.72
Found under the following brands:
Annovi Reverberi-AR, Westward, Bostitch, Black & Decker, Craftsman, Devilbiss Air Power, DeWalt, Emglo, Excell, Porter Cable, Speedaire
Uses 4. Slides around pressure lines to seal from heads