Sulphuric Acid 0.5-5.0mg/m3Gas DetectorTube,pk/10 Back Catalog number: 244U Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800136-10 Tube Holder Collar Clip, for 5/8" OD, 1/2" ID Tubing (Packg of 10) Price on request 103SD Sulphur Dioxide 1-60 ppm Gas Detector Tube, pk/10 Price on request 800075 Tube Holder Quad Variable Flow, only Price on request