Recognized by ventilation professionals across Canada, the VMAX AF exhaust trap is unique to the market. Designed as an exhaust for bathroom fans, dryer and kitchen range hoods, it can also be used as a termination point for a HVAC system. Its versatile design also allows it to be easily converted from an exhaust vent to an air intake vent thanks to its removable damper. With 6 models to choose from, these wall dampers will give you peace of mind. Lifetime warranty against manufacturing defects (with limitations) and 5 years on paint and corrosion.