Clear-Seal™ Connecting Adapters
By DWK - Wheaton Science Products
Enables interfacing between standard semi-micro glassware and micro systems, with a Clear-Seal™ inner joint on one end and a screw thread for the Wheaton Connection on the other end. Supplied with a screw cap and an "O" ring to seal thermometers, gas inlet tubes, etc. Made with Wheaton 33® low extractable borosilicate glass (meets ASTM Type I Class A and USP Type I standards).