This Coleman Mach Air Conditioner Blower Wheel is made of plastic. Coleman-Mach - the brand you turn to for quality ACs, Heat Pumps, Thermostats and accessories for RVs, boats, off-road vehicles and specialty applications. For Coleman-Mach air conditioners and heat pumps, innovation is a process of assessing customer needs and translating those needs into products. It is these innovations that have kept us at the forefront of the industry, and made the Coleman-Mach brand a trusted partner to RV manufacturers, dealers and enthusiasts everywhere.• Compatibility: Coleman Models 6535/ 6536/ 6537/ 6636/ 6795/ 46515• Type: Outdoor• Bore Size: 1/2 Inch• Diameter: 11-1/16 Inch• Material: Plastic Built To Match Your Exact Requirements Easy To Install Limited 2 Year Warranty | Coleman RVP Coleman Mach Air Conditioner Blower Wheel