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 811-9903-50 Charcoal Tube, Coconut Shell, Jumbo, 200/800mg, 10x110mm, with end caps, 50Pack Price on request 811-9902-50 Charcoal Tube, Coconut Shell, Large, 200/400mg, 8x110mm, with end caps, 50Pack Price on request 800263 Single Tube Holder Kit, 5 x 150mm [Kitagawa TWA Tubes] Price on request