Xylene (5-1000 ppm) Gas detector tubes, pk/10 Back Catalog number: 143SA Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800232 Tube Holder Kit, Deluxe (Single, Dual, Triple & Qu Price on request 119U-1-4-DIOXANE 1,4-Dioxane Gas Detector Tube for 20-500 ppm, pk/10 Price on request 106SC Carbon Monoxide 1-50 ppm Gas Detector Tube, pk/10 Price on request