Battery for SimplyGo Mini Portable Oxygen Concentrators F103 It is designed for use

It is designed for use with all F30i & X30i CPAP/BiLevel Masks

and plush headgear with rolled-edge fabric straps for added comfort

This External Battery Charger and Calibrator is designed for use with all EverGo

Because Quattro FX masks seal lower on your nasal bridge

Standard & Large -- are available in two different color schemes -- gray with pink highlights and gray with blue highlights

Battery for SimplyGo Mini Portable Oxygen Concentrators F103 It is designed for useThe Standard and Extended Rechargeable Battery for SimplyGo Mini is offered as an additional option for people who are looking to get more time out of their SimplyGo Mini than what the standard battery that comes with the concentrator provides.