Tower is designed to fit on cart system between the vacuum and pump oil trap. Trap has a sealed-in extra coarse fritted disc for support of KOH, and is 50mm ID x 250mm effective length with both ends having #20 o-ring joints. Lower adapter has a #20 o-ring joint with a 1" OD tubulation for connection to flexible vacuum tubing. Complete item consists of one KOH tower, one lower tubing adapter, 

Annealing Point ------560℃

Linear Coefficient of Expansion------ 33×10-7/℃

Softening Point------820℃