Single Variable Flow Kit, 6 x 70mm (Standard Charc Back Catalog number: 800253 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800258 Single Variable Flow Kit, 7 x 130mm [Dräger Long Price on request 800071 Tube Holder Housing End, 5/8", for 1/4" OD, Open E Price on request 200524 Tube Holder Tubing, 3/16" ID x 1/16" W (10 ft) Price on request