Laing E10 Circulation Pump with 4' Cord 1" Barb 120V is part of HydroQuip's dependable and high quality portable spa and hot tub retrofit controls to the industry for over 30 years. HydroQuip continues to offer the broadest selection of controls and replacement parts to fit every spa or hot tub. HydroQuip continues to lead the industry in innovation and “down to earth” product features by designing products that address the real needs and desires of today’s spa and hot tub retail dealers and service technicians.