Pump Head Submersible Well 45 GPM Material Stainless Steel Required Motor HP 5 Discharge Port 2 In. Stages 18 Impeller Material Glass Filled Noryl Pump-Motor Shell Stainless Steel Bearing Type Ceramic/Rubber Recommended Tank 4MY64 or 3YA55 Well Capacity High Flow Ranges 20-55 GPM Max Operating Temp 130 F