Large Tongue Guards (2/pk) #300-403$39.00 Large Cheek Retractor (White) #300-406$17.95 'Y' Connectors (4/pk) #300-408$10.60 Low volume adapters w/'Y' (4/pk) #300-409$19.25 Vinyl tubing (10/pk) #300-410 (Discontinued) High volume adapters w/'Y' (4/pk) #300-411$24.75 Silicone tubing (10/pk) #300-412$20.00 Small Tongue Guards (2/pk) #300-413$39.00 Small Cheek Retractor (Red) #300-414$17.95 Dry Field System Instructional Video #300-415 (No charge) System purging syringe #300-416$5.00