Sorbent Tube, Florisil, 6X70, 100/50, 50/BX Back Catalog number: 811-9985-50 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800066 Tube Holder Collar Clip, for 1/4" OD, 1/8" ID Tubi Price on request 800230 Triple Variable Tube Holder Kit, 6 x 70mm Price on request 800072 Tube Holder Single Variable Flow, only Price on request