Innovative "Cold Air Compartment" design maintains temperature evenly for each pan to preserve freshness. In addition, the compartment isolates pans from the reach in area to prevent food spills. Oversized and Balanced Refrigeration System (R404A), Factory Sealed Pre-Lubricated for Long Life. Condensate system surfaces have been specially treated to resist corrosion. This not only increases efficiency without the risk of refrigerant leakage from corrosion, but also prevents the overflow of condensate water. Warranty: 1 yr parts & labor; additional 4 yrs on compressor.