Tube Holder Adapter for 5/8" Ends Back Catalog number: 800138 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9980-50 Sorbent Tube, XAD-7, 6X70, 60/30, 50/BX Price on request 800259 Single Tube Holder Kit, 7-10 x 110mm Price on request 800249 Tube Holder Kit, Quad Variable (Includes 6x70mm, 7 Price on request