Triple Variable Tube Holder Kit, 6 x 70mm Back Catalog number: 800230 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 200102-10 Tube Holder Housing, 6x70mm, 1/2" OD, S225 (pkg of 10) Price on request 800138 Tube Holder Adapter for 5/8" Ends Price on request 811-9989-20 Sorbent Tube, Beaded Carbon, 6X70, 140/70, 20/BX Price on request