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 800071 Tube Holder Housing End, 5/8", for 1/4" OD, Open End Price on request 171SC Formaldehyde 0.05-4.0 ppm Gas Detector Tube, pk/10 Price on request 800261 Single Tube Holder Kit, 7-10 x 175mm Price on request