iSonic Ultrasonic C-Pap Deep Cleaner P4821-CPAP, 2.6Qt/2.5L, 110V for North America, with SS. Weight Bracket, Cleaning Tablet, BeigeDeep cleans c pap mask and short hose thoroughly Unlike ozone or UV cleaners which only disinfect the top layers and do not remove debris, the ultrasonic c pap cleaner deep cleans mask and short hose inside and out The ultrasonic cleaner generates cavitation which is millions of air bubbles which implode and dislodge debris from inside of crevices and hose A powerful 60W ultrasonic stack transducer generates powerful ultrasonic waves. 110V for North