Hoffman EWMF1 Fan kit, 4 in Fan 115vac, Small, Steel/PlasticHoffman EWMF1, Fan kit, 4 in Fan 115vac, Small, Steel/Plastic. Product Specifications BRANDHoffman® COLOR FINISHPlastic MANUFACTURERS PART NUMBEREWMF1 CONSTRUCTIONSteel SIZESmall DESCRIPTIONFan Kits A X B X C MM-- A X B X C INCHES-- FITS CABINETFits all C = 18.00