Sorbent Tube, XAD-2, 8X110, 400/200, 50/BX Back Catalog number: 811-9975-50 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800072 Tube Holder Single Variable Flow, only Price on request 200113 Tube Holder Housing, 7-10 x 110mm, 5/8", L240 Price on request 800062 Tube Holder Housing End, 1/2" for 6mm OD Price on request