Tube Holder Housing, 6x70mm, 1/2" OD, S225 (Packg Back Catalog number: 200102-10 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800066-10 Tube Holder Collar Clip, for 1/4" OD, 1/8" ID Tubi Price on request 811-9983-50 Sorbent Tube, Porapak-Q 6X110, 150/75, 50/BX Price on request 811-9977-20 Sorbent Tube, XAD-2, 6X110, 120/60, 20/BX Price on request