Designed to be used in a plenum ceiling, the MPL/AeroLift 35 Environmental Airspace Housing is a metal enclosure that isolates the projector and lift from the environmental airspace above the ceiling. The trim is available in white (standard) or black. Fits 2' x 2' (61 cm x 61 cm) grid ceilings. Can be used with the Micro Projector Lift and the AeroLift 35.