ABC Manufacturers of Canada has been North America's leading supplier of flexible ventilation ducting to underground mining and tunneling customer world wide for over 30 years. We offer high strength, cost effective ventilation ducting for positive and negative pressure applications in standard diameters from 150 mm to 3000 mm and standard lenghts up to 200 meters. We also offer a full range of accessories such as wyes ,tees, and elboes to optimize your ventilation system. ABC Canada maintains total control of our proprietary PVC-coated fabric raw materials by manufacturing all of our own polyester base fabrics and extrusion coating to exacting specifications at our state of the art factory. ABC Canada commitment to Quality is exemplified by our registration to the ISO 9002 Quality Assurance standards since 1996