Aqua-Flo by Gecko's fine-tuned impellers are custom designed by our expert engineers to provide a whisper quiet and soothing hydro-therapy massage.We pride ourselves on continuous innovation and customization. Our engineers can modify existing product lines in numerous ways to provide maximum performance and efficiency to match specific requirements. Aqua-Flo by Gecko carries a patent on a uniquely designed bath tub pump that warms bath water without the use of a heater. Providing the ultimate in energy efficiency, this thermal pump lowers operating costs by up to 36.9% compared to any other pump/heater combination.