Single Tube Holder Kit, 5 x 150mm [Kitagawa TWA Tu Back Catalog number: 800263 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9989-20 Sorbent Tube, Beaded Carbon, 6X70, 140/70, 20/BX Price on request 800249 Tube Holder Kit, Quad Variable (Includes 6x70mm, 7 Price on request 800064 Tube Holder Housing End, 5/8", for 7-10mm Price on request