0-4mm vacuum plug complete with control knob. Viton® O-rings on PTEF shaft are covered with a PTFE layer.This design provides for an excellent vacuum tight seal without exposing any material other than PTFE to chemicals.
0-4mm vacuum plug complete with control knob. Viton® O-rings on PTEF shaft are covered with a PTFE layer.This design provides for an excellent vacuum tight seal without exposing any material other than PTFE to chemicals.
