Tube Holder Triple Variable Flow, only Back Catalog number: 800074 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800231 Tube Holder Kit, Quad Variable, 6 x 70mm Price on request 800139 Tube Holder Adapter for 1/2" Ends Price on request 800165-10 Sorbent tube adapter nipple for Dual manifold High Flow Splitter (10 Pack) Price on request