Ōura Ring Sizing Kit - Gen 4 HME then naturally aligns to the

then naturally aligns to the frame for an easy fasten

Better patient comfort generally means better patient compliance

and full clinical support

COVID‑19 patients can benefit from high levels of humidity to reduce airway irritation

The minimalist design simplifies usability and menu navigation

Ōura Ring Sizing Kit - Gen 4 HME then naturally aligns to theOura rings sizing kit. We recycle our fitting kits through multiple users as part of our overall drive to reduce plastic waste. Therefore we charge a small fee for the kit, which we fully refund if you return the kit to us once you know your size. (Normal shipping charges apply). Oura Ring Sizing Here's what to expect. Step 01 Once you place your order, youll receive your free sizing kit as soon as one is available, usually 1 2 working days. Step 02