This Avantco 178GSKT17238 door gasket is a direct replacement for the one that came with your Avantco merchandiser freezer. This gasket is a snap-in mount and ensures that the unit's door closes with a tight seal, trapping cold air to maintain food safe temperatures and save energy. Use it to replace a worn gasket to keep your unit operating efficiently. It's compatible with Avantco GDC-9F-HC merchandiser freezers.