Sorbent Tube, XAD-7, 6X110, 100/50, 50/BX Back Catalog number: 811-9979-50 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800136 Tube Holder Collar Clip, for 5/8" OD, 1/2" ID Tubi Price on request 200187 Tube Holder Adapter, 3/16" to 1/4" Ends Price on request 800230 Triple Variable Tube Holder Kit, 6 x 70mm Price on request