Three Hole Cap Systems Borosilicate glass and PTFE construction Excellent chemical resistance to most HPLC mobile phases Cap body is manufactured from PTFE and is supplied with a TFE/ propylene O-ring. Connecting threads on top and bottom of the cap use 1/4-28 fittings. Supplied flangeless…

Economy Three Hole Cap Systems Economical way to helium sparge and deliver mobile phases Cap body is manufactured from PTFE and is supplied with a TFE/propylene O-ring and a polypropylene screw collar. The connecting threads on the top of the cap use standard 1/4-28 flangeless fittings. Two of…