S3-Q Boxed EvaporatorEvaporator, Box type, Pressed white aluminum, Quick couplings, Pre charged 12 1 2W x 8 1 2D x 3 7 8H, 6 ft. line set Cooling systems with boxed evaporators are recommended for all installations where a freezer compartment is required, leaving the remainder of the box as refrigerator space. Boxed evaporators with bottom piece and lids can be placed horizontally or vertically according to requirements and available space.