Marshall Air System radiant heater for keeping prepared plated food or full size restaurant pan with prepared food at recommended safe temperature until served. Model BZ6AINTL Series 5000. Serial number 12990147. This unit is 240 volt and has to be direct wired. FTL and NSF approved for restaurant use. Dimensions are approximately 22 1/2" long by 10 1/4" wide. This heater was never used. $125.00 cash only. E-mail or call Terri for address. (*PLEASE NOTE*: - the phone number attached to this listing is NOT a cell phone number. When calling, please leave a message if no answer.)