Tube Holder Adapter for 5/8" Ends Back Catalog number: 800138 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9973-50 Sorbent Tube, XAD-2, 8X110, 100/50, 50/BX Price on request 103SD Sulphur Dioxide 1-60 ppm Gas Detector Tube, pk/10 Price on request 811-9967-50 Sorbent Tube, Silica Gel, 8X110, 300/150, 50/BX Price on request