3B Medical Viva Nasal CPAP Mask with Headgear - FitPack Foam Cushion the PARI Trek S is

the PARI Trek S is effective

The headgear can be adjusted at four points for optimal fit

The vinyl coated arm cuffs and handles ensure comfortable use

Recharging time is up to 4 hours for a single battery

Max storage rate 500 Hz

3B Medical Viva Nasal CPAP Mask with Headgear - FitPack Foam Cushion the PARI Trek S is3B Medical Viva Nasal CPAP Mask with Headgear FitPack 3B Medical New Viva Nasal CPAP Mask FitPack with CPAP Headgear is a light, simple and comfortable design that offers everything you need in a nasal mask, making it comfortable and easy to use. The Viva Nasal Mask FitPack comes with all 3 sizes cushions, Small, Medium and Large, giving you the option to try all 3 cushions so you can choose the one thats the best fit for you 3B Medical Nasal Masks