Durable poly cabinet resists corrosion for years of service.Stainless steel top and poly cabinet will never rust. 4X Corrosion Resistant. Comes with seamless stainless bowl. Stainless steel bowl construction ensures long life, and eliminates the risk of chipping paint and rust contamination. Thicker cabinet wall for a superior R value (R18). Mounting corners molded inside the cabinet make for easy installation and removal. Bowl has rounded corners that provide a durable yet smooth surface that is gentle on animals. Comes with a thermostatically controlled heating element. Electrical box hinges open from the inside for easy access to components. Adjustable thermostat. Nylon control valve is designed for trouble free, year around operation. 1 year warranty. CSA Approved.