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 811-9963-50 Sorbent Tube, Microlite, 6X70, 200mg, 50/BX Price on request 800259 Single Tube Holder Kit, 7-10 x 110mm Price on request 800253 Single Variable Flow Kit, 6 x 70mm (Standard Charc Price on request