Online Catalog • X-Ray Film Mounts • Film Holding Instruments • Lead Aprons • Small Equipment • Digital Sensor Holders • Crescent® • Irrigation Probes  Crescent® • Digital Wig-L-Bug®   Mixer/Amalgamator • Dapaway® Disposable   Dappen Dishes • Prophy Cups • Prophy Brushes • Mouth Props • Germicide Tray and   Bur Caddy • Plaster Trap • Valves • Articulators • Matrix Material • E-Z Hold Articulating   Paper Forceps • Cres Shine • Cres Clean  Home > Online Catalog > Crescent® > Valves Valves Offer excellent control for air or gas Chrome plated forged brass Item No. Description C470205 #2901-G-1, 1/2" Gas Needle Valve C470210 #2901-G-3, 3/8" Gas Needle Valve C470215 #2901-A-1, 1/2" Air Needle Valve C470220 #2901-A-3, 3/8" Air Needle Valve C470245 #2901-V-1, 1/2" Vacuum Needle Valve C470305 #2907-G-1, 1/2" Gas Key Cock Valve C470310 #2907-G-3, 3/8" Gas Key Cock Valve C470315 #2907-A-1, 1/2" Air Key Cock Valve C470320 #2907-A-3, 3/8" Air Key Cock Valve < Back to Crescent®