SPF33-1/3 HP Epoxy Coated Steel and Thermoplastic Submersible Sump Pump – up to
Model Number SPF33 – 1/3 HP. Manufacturer Part Number SPF33. Intended for indoor use only. Heavy Duty Indoor-Only Pump – WAYNE 1/3 HP SPF33 Pump is a workhorse with rugged and durable design. Durable epoxy coated steel and thermoplastic construction with premium John Crane carbon/ceramic shaft seals for quality that lasts.