The Vent-Axia Piv – Lo-Carbon Pozidry Compact Pro With Heater – 479188 is a Positive Input Ventilation System (PIV) for those properties that do not have a loft. It is easy to install and the unit has been designed to be as small as possible with multiple inlet and outlet positions allowing it to be installed in the best place every time. The PoziDry Compact Pro is the smallest on the market, meaning you can always find space for it even in the smallest of apartments. The foam back plate is less than 100g meaning there is no longer a need to lift a heavy metal box above head height to mark drilling holes. With 2 inlet and 2 outlet positions, the PoziDry Compact Pro can be installed in 16 orientations, giving you the ultimate installation flexibility. Ultra small unit can fit in the smallest of spaces Removable inner cartridge for easy repairs and maintenance Flow rates adjustable in 1 L/s increments, up to 30 L/s Extremely low energy consumption Washable, high capacity G4 or F7 filter Advanced data logger and 3 digit settings lock for peace of mind 7 Year warranty Ideal solution for flats with mould in a habitable room BBA Approved