Thread, 20-400 G.P.I
Chemglass Thread, 20-400 G.P.I; Thread, Replacement G.P.I. 20-400, 19mm OD Tubing, 135mm Over All Length - CHMGLS
Chemglass Thread, 20-400 G.P.I; Thread, Replacement G.P.I. 20-400, 19mm OD Tubing, 135mm Over All Length - CHMGLS
