Nuaire FLAT2000L Positive Input Ventilation System c/w Boost Switch Flatmaster 2000 is a low energy Positive Input Ventilation System (PIV) designed for properties without loft space. Built with an integral heater which tempers the air brought in from outside the property. It can also be used to ventilate basements, cellars and other areas that would benefit from a continuous supply of fresh, filtered air. The unit is designed to cure condensation dampness and remove allergens and pollutants from the home.
eBay