Triple Variable Tube Holder Kit, 6 x 70mm Back Catalog number: 800230 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800075 Tube Holder Quad Variable Flow, only Price on request 200113 Tube Holder Housing, 7-10 x 110mm, 5/8", L240 Price on request 811-9974-50 Sorbent Tube, XAD-2, 8X110, 150/75, 50/BX Price on request