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 800249 Tube Holder Kit, Quad Variable (Includes 6x70mm, 7 Price on request 800165-10 Sorbent tube adapter nipple for Dual manifold High Price on request 800170-10 Tube Holder Hose Barb Fitting (Packg of 10) Price on request