Tube Holder Housing End, 5/8", for 7-10mm Back Catalog number: 800064 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9977-20 Sorbent Tube, XAD-2, 6X110, 120/60, 20/BX Price on request 800139 Tube Holder Adapter for 1/2" Ends Price on request 811-9985-50 Sorbent Tube, Florisil, 6X70, 100/50, 50/BX Price on request