Tube holder plug for manifold Back Catalog number: 800229 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 118SC Sensidyne Gas Detector Tubes, Benzene (1-100 ppm), pk/10 Price on request 800072 Tube Holder Single Variable Flow, only Price on request 200104 Tube Holder Housing, 5 x 150mm, 1/2", S255 Price on request