The Heat Pump Pad™ HP3636-8 is a 36x36x8 in. base pad for heat pumps installed in snowy climates. Rather than the typical combination of an equipment pad and 6 in. heat pump risers, the Heat Pump Pad provides a full 8 in. of elevation in a square footprint. The star pattern of the integral risers allows for installation of equipment with different size footprints up to 36 in. X 36 in. Risers are molded into the pad to form a solid single piece base. Diversitech Heat Pump Pad™ Heat Pump Pad, 36 in Length, 36 in Width, 8 in Height, For Use With: Heat Pump Equipment, Polypropylene, Domestic