ner and protects it from dust, bugs and other debris that could get sucked insideAll-metal construction withstands inclement weather, corrosion and other elementsCan be used with a stamped aluminum rear grill (model AXRGALA01, sold separately) to prevent damage to the back outer coils of the unitIncludes wall sleeve, installation instructions/manual and warrantyWarranty: 1 year limited(Model AXSVA