The Pullman Ermator Air Cleaner is a red, cube-shaped unit designed for whole-room filtration with true HEPA technology. With dimensions of 15.1-20 inches in height and length, it effectively captures airborne particles to improve indoor air quality. This air cleaner is ideal for home improvement projects in the Heating, Cooling & Air category and is a single unit in the pack. Perfect for those looking to enhance the cleanliness and freshness of their living spaces.