This wall mounted outdoor range hood features standard finish in 304 marine grade, 18 gauge stainless steel. Power: Flame Retardant Centrifugal Blowers. Includes stainless steel baffle filters. Optional duct cover made to your specifications. Optional remote control wiring available. Distance Codes: Check local city, county and cooking appliance specifications. UL tested at 40” to 46" above cooking surface. Range hood dimensions: 18” high x 32” deep x (54” and 60”) wide. Suitable for use in damp locations when installed in a GFCI protected branch circuit. Recommended Mounting height is 40" - 46" above BBQ Grill. Barbecues with lids may obstruct air flow performance. UL Approved