The FWE ETC-UA-4PH is a mobile undercounter proofer cabinet designed for versatility and efficiency in food preparation. It features four pairs of universal tray slides, accommodating either four 18" x 26" trays or eight 12" x 20" trays, with adjustable spacing at 4-1/2" on 1-1/2" increments. This humidified proofer/heater system includes an adjustable thermostat and separate controls for precise temperature management. The cabinet is constructed with stainless steel for durability, featuring one insulated door with a recessed hand grip for easy access. A removable water reservoir simplifies maintenance, while four 3.5" swivel casters with brakes ensure mobility and stability. The unit meets UL, cUL, and NSF standards for safety and performance.