ResMed RPS II Battery Coupler Kit bag you may be able to

you may be able to extend the life span of your mask parts

F&P Solo Pillow Mask is sold as a Fit Pack which includes all available cushion sizes

What’s included

flexible material that's gentle on your skin and provides a comfortable fit

ResMed RPS II Battery Coupler Kit bag you may be able toThis Coupler Kit is designed exclusively for use with ResMed Power Station II (RPS II) Battery Packs. It is used to connect two RPS II Batteries in series in order to double your CPAP or BiLevel run time. In addition it enables both batteries to charge automatically without the need for plugging and unplugging. NOTE: The Coupler Kit includes the coupler cable box as shown as well as a velcro strap that can be used to hold the two RPS II batteries