Single Variable Flow Kit, 7 x 130mm [Dräger Long Back Catalog number: 800258 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9969-20 Sorbent Tube, Silica, DNPH, 6X110, 300/150, 20/BX Price on request 800253 Single Variable Flow Kit, 6 x 70mm (Standard Charc Price on request 800251 Tube Holder Kit, Dual Variable Manifold (Includes Price on request