Battery for SimplyGo Mini Portable Oxygen Concentrators F103 Because Quattro FX masks seal

Because Quattro FX masks seal lower on your nasal bridge

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

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

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

Constructed entirely of soft cloth the SleepWeaver Advance is Latex & Silicone Free so it's ideal for allergy sufferers

Battery for SimplyGo Mini Portable Oxygen Concentrators F103 Because Quattro FX masks sealThe 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.