... facorable price elegance design massage bathtub controller detaild product description: GeneralOur SOWO series bathtub controller are well-selling, popular ... 30,000 sets per month. One set bathtub controller of Model KL-819 includes control panel, electric box, speaker. ... , shower room controller, sauna room controller, bathtub controller, spa controller, bathtub TV, pulley,handle, gasket, hardware and ...