Single Tube Holder Kit, 6 x 70mm (Standard Charcoa Back Catalog number: 800149 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800075 Tube Holder Quad Variable Flow, only Price on request 800238 Tube Holder O-Ring Kit Price on request 800064 Tube Holder Housing End, 5/8", for 7-10mm Price on request