Vent-Axia 443310 100mm Centrifugal Bathroom Heat Recovery Unit with Timer White 220-240V (412JL)

High performance fan works by introducing replacement air at a reduced rate to maintain a slight negative pressure in the room being ventilated, to ensure fresh air is brought in from the rest of the house and preventing humid air from migrating. Also uses a thermal accumulator to extract warmth from outgoing air to temper incoming air, helping to avoid feeling cold drafts and recover heat that would be lost to the outside. Designed to fit into a 100mm diameter hole. Suitable for refurbished properties ... - Manufacturers part number: 443310