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 800135 Tube Holder Collar Clip, for 1/2" OD, 3/8" ID Tubi Price on request 143SA Xylene (5-1000 ppm) Gas detector tubes, pk/10 Price on request 200113 Tube Holder Housing, 7-10 x 110mm, 5/8", L240 Price on request