Description Used 2003 Brock SuperB SD250VQ Grain Dryer, Single Phase, 230 Volts, Liquid Propane Gas, Quantum Controller, With 3740 Hours Details Price: $Contact for Price Dryer Category: Low Profile Dryer Dryer Location: Minnesota Brand: Brock Super B Power: Single Phase Voltage: 230 Volt Type of Gas: Liquid Propane Gas