2″ Discharge – 53 GPM 1/2 H.P. – 110 Volt Built-in shaft mounted agitator suspends solids. Urethane Semi Vortex Impeller for maximum durability and pump performance. Double Inside Mechanical Seal With SiC faces provides longest operational life. Oil Lifter provides lubrication of the seal faces. (Patent Pending) V-Ring Seal Protector protects mechanical seal from abrasive particles.