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 200157 U-Tube replacement for P/N 800143 Price on request 811-9971-50 Sorbent Tube, Silica (H2SO2), 6X70, 150/75, 50/BX Price on request 800232 Tube Holder Kit, Deluxe (Single, Dual, Triple & Quad, all sizes) Price on request