The MTC 500-AFR is equipped with a variable speed drive. The controller monitoring LED's show status and power. The drive combines a high starting torque with a soft pump start. It eliminates in-rush current to protect the motor. The MTC 500-AFR is built with industrial quality components mounted on a heavy duty aluminum frame. It features brass plumbing and quick disconnect fittings. A clear suction hose shows fuel flow and clarity. The large drip tray is designed to prevent spillage. A pressure gauge is installed on the spin on filter head to ensure optimal filter usage. It has a flow rate of 180 to 480 GPH (600 to 1,500 liters per hour). For tanks up to 3,000 gallons (11,400 liters). Operates on 110V AC/60 Hz or 230V AC/50 Hz.