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 811-9976-20 Sorbent Tube, XAD-2, 6X110, 150/75, 20/BX Price on request 800238 Tube Holder O-Ring Kit Price on request 801935 Charcoal Tube, Coconut Shell, Standard, 50/100mg, Price on request