An apparatus for handling air in an enclosed space, the enclosure having a cover, an inlet formed in the cover and an outlet, the air being directable from the inlet to the outlet and, when the air is so directed, to change at least one characteristic of the air wherein the apparatus is adapted to receive purification means for purifying the air such that, when the purification means is so received, the air directed through the inlet is purified on entry into the enclosure.
