Description General description With two 9 mm O.D. sidearms sealed to the barrel at a 180°angle to one another. Viton® O-ring on PTFE shaft are protected with precision PTFE wipers. The plug has a machined-in integral PTFE tip O-ring to make the primary seal. This design provides for an excellent vacuum tight seal without exposing any material other than PTFE to chemicals. Legal Information Synthware is a trademark of Kemtech America Inc. Viton is a registered trademark of E. I. du Pont de Nemours and Company