These aerodynamic air conditioner shrouds are constructed of tough high-density polyethylene with UV inhibitors for long life in the sun. Installs in minutes using the original mounting hardware. Attaches to air conditioner with 4 bolts from the top. Protective rear intake grill prevents damage to the A/C condenser. Unique wrap around bumper deflects tree branches and prevents wind lift. Dimensions: 43" L x 29" W x 9 5/8" H.