Triple Variable Tube Holder Kit, 6 x 70mm Back Catalog number: 800230 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 200114-10 Tube Holder Housing, 7-10 x 175mm, 5/8", L265 (pkg of 10) Price on request 200524 Tube Holder Tubing, 3/16" ID x 1/16" W (10 ft) Price on request 143SA Xylene (5-1000 ppm) Gas detector tubes, pk/10 Price on request