P. Only 40KHz advertising now, if you want other frequency bands , please touch our guest service. New Granbo 10L 200/400W Digital Ultrasonic Cleaner 28/40/80/120KHz Sweep Frequency Pulse Precision Tools Laboratory Use Washer Introducing the recent GL Series from Granbo, that includes state of the artwork industrial-grade excitation circuitry for superior performance. With prolonged operating instances starting from 0 to 9999 seconds, the GL Series is designed for functionality and durability GL Series boasts intelligent sweep frequency modes, bearing in mind precise frequency modulation inside ±1KHz to augment cleansing effectiveness. For stubborn stains, the heartbeat mode delivers height ultrasonic energy output, guaranteeing thorough cleansing to the GL Series is its stepped forward noise reduction design, with wonderful soundproofing supplies lining the interior, efficiently doing away with noise pollution. Additionally, energy adjustments cater to various cleaning needs, providing flexibility and management with top rate chrome steel drainage valves, the GL Series guarantees corrosion resistance and leak prevention. Its benefits are specifically favourable for precision cleansing industries comparable to laboratories and scientific institutions.