Tube Holder Quad Variable Flow, only Back Catalog number: 800075 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800134-10 Tube Holder Collar Clip, for 7/16" OD, 5/16" ID Tubing (Packg of 10) Price on request 800134 Tube Holder Collar Clip, for 7/16" OD, 5/16" ID Tubing Price on request 244U Sulphuric Acid 0.5-5.0mg/m3Gas DetectorTube,pk/10 Price on request