Profile: Hotchkiss Air Supply is a provider of circular and flat oval ductwork & accessories. We stock a comprehensive range of air distribution products for the heating and ventilation industry. The products are listed as flexible ducting, access doors, dampers, accessories, acoustics products and colourduct system. Hasflex MU is our range of fully flexible non-insulated aluminium/polyester laminated ducting which is designed for the HVAC market. Due to its flexibility it is easy to connect to either round or oval ducting. We avail a full range of spiral tube and fittings covering various metals. Our PVC flexible ducting is a grey reinforced ducting manufactured for the HVAC market and industrial purposes. It is suitable for all normal ventilation & air conditioning systems including high pressure and withstands constant bending or flexing. HASFLEX MI is our range of fully flexible thermally insulated ducting. This range is developed to minimize the heat gain or loss resulting from the temperature differential between the airflow and the surrounding ambient air.