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 800064 Tube Holder Housing End, 5/8", for 7-10mm Price on request 800230 Triple Variable Tube Holder Kit, 6 x 70mm Price on request 811-9972-50 Sorbent Tube, TenaX, 8X110, 100/50, 50/BX Price on request