Tube Holder Housing, 6x70mm, 1/2" OD, S225 (Packg Back Catalog number: 200102-10 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800165 Sorbent tube adapter nipple for Dual manifold High Price on request 800064 Tube Holder Housing End, 5/8", for 7-10mm Price on request 800249 Tube Holder Kit, Quad Variable (Includes 6x70mm, 7 Price on request