Tube Holder Housing End, 1/2" for 6mm OD Back Catalog number: 800062 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9969-20 Sorbent Tube, Silica, DNPH, 6X110, 300/150, 20/BX Price on request 200102-10 Tube Holder Housing, 6x70mm, 1/2" OD, S225 (Packg Price on request 811-9979-50 Sorbent Tube, XAD-7, 6X110, 100/50, 50/BX Price on request