ResMed AirFit™ N30i and P30i Frame Chin Strap it automatically regulates the humidity

it automatically regulates the humidity to give you comfort during your CPAP therapy

The silky smooth and luxuriously soft feel helps reduce cortisol

A : The wide velcro goes around at attaches at the back of the head - this doesn't need to be tight

The Seatec will stretch slightly over the first month

ResMed AirFit™ N30i and P30i Frame Chin Strap it automatically regulates the humidityDescription Replacement SpringFit frame for the AirFit N30i and AirFit P30i CPAP mask. Time to replace the frame on your AirFit N30i or AirFit P30i CPAP mask? Don't buy a whole new mask, simply replace worn parts to save money and reduce waste. Easy to replace 2 sizes available Standard and Small Includes elbow Fits all cushion sizes available with AirFit N30i or AirFit P30i masks Please note not compatible with AirFit F30i Guides AirFit N30i & P30i