Tube Holder Adapter for 1/2" Ends Back Catalog number: 800139 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 124SA Sensidyne Gas Detector Tubes, Toluene (10-500 ppm), pk/10 Price on request 800258 Single Variable Flow Kit, 7 x 130mm [Dräger Long Term Tubes] Price on request 811-9978-20 Sorbent Tube, XAD-2, 8X110, 450/225, 20/BX Price on request