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 811-9985-50 Sorbent Tube, Florisil, 6X70, 100/50, 50/BX Price on request 200115 Tube Holder Housing, 7 x 130mm, 5/8", L247 [Draege Price on request 200104 Tube Holder Housing, 5 x 150mm, 1/2", S255 [Kitaga Price on request