Turboair M3R472 (47 cu. ft.) Commercial Refrigerator "rangehood" Questions

where can i purchase a complete filter tray for my rangehood made by Parmco top venting with clear plastic strip for light with word Turbo on it, also has an emblem of a circulating fan with 40W Max. ...

have lost 240v power to fridge ,1 interior light and rangehood what could problem be and how do i solve it check your breaker or wiring