This Avantco 18939989 condenser fan cage is a direct replacement for the one that came with your Avantco air curtain merchandiser. It can be used to replace a broken or missing part on your Avantco air curtain merchandiser. To keep your unit operating efficiently, make sure to replace a broken fan cage promptly. It's compatible with Avantco WVAC-46HC, WVAC-36HC, BVAC-46HC, and BVAC-36HC air curtain merchandisers.