Tube Holder Tubing, 3/16" ID x 1/16" W (10 ft) Back Catalog number: 200524 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 400253 Tube Holder, Clear Storage Box Price on request 171SC Formaldehyde 0.05-4.0 ppm Gas Detector Tube, pk/10 Price on request 800071 Tube Holder Housing End, 5/8", for 1/4" OD, Open End Price on request