Tube Holder Dual Variable Flow, only Back Catalog number: 800073 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800165-10 Sorbent tube adapter nipple for Dual manifold High Flow Splitter (10 Pack) Price on request 106SC Carbon Monoxide 1-50 ppm Gas Detector Tube, pk/10 Price on request 200104 Tube Holder Housing, 5 x 150mm, 1/2", S255 Price on request