Tube Holder Housing, 5 x 150mm, 1/2", S255 Back Catalog number: 200104 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800260 Single Tube Holder Kit, 7-10 x 150mm Price on request 800064 Tube Holder Housing End, 5/8", for 7-10mm Price on request 811-9976-20 Sorbent Tube, XAD-2, 6X110, 150/75, 20/BX Price on request