Tube Holder, Clear Storage Box Back Catalog number: 400253 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800230 Triple Variable Tube Holder Kit, 6 x 70mm Price on request 800066 Tube Holder Collar Clip, for 1/4" OD, 1/8" ID Tubing Price on request 106SC Carbon Monoxide 1-50 ppm Gas Detector Tube, pk/10 Price on request