Cumene Gas Detector Tube for 20-140 ppm, pk/10

Sorbent Tube, Silica Gel, 8X110, 300/150, 50/BX

Tube Holder Collar Clip, for 1/2" OD, 3/8" ID Tubi

Tube Holder Housing End, 5/8", for 7-10mm (Packg o