The DiversiTech® 7-60 air handler block (8x8x4) is a cost effective base support for air handlers. By raising the air handler 4 inches it provides excellent air flow as well as preventing damage from ground contact. It is made from expanded polystyrene (EPS) which is lightweight, absorbs vibration and strong enough to support most air handlers. Diversitech Air Handler Block, 8 in Length, 8 in W, 4 in D, Polystyrene Foam, Concrete Gray, Domestic