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 811-9978-20 Sorbent Tube, XAD-2, 8X110, 450/225, 20/BX Price on request 200113 Tube Holder Housing, 7-10 x 110mm, 5/8", L240 Price on request 800072 Tube Holder Single Variable Flow, only Price on request