Included in the package: only 2 replacement soft cushions for F20 masks.
Size: Large, Medium

How to know your size?
Measure from the bridge of the nose to the depression of the chin, and then choose the appropriate mask according to the size chart.
Unit: inches
Medium: 3.39~3.9
Large: 3.9~4.7

Unit: centimeters
Medium: 8.61~9.91
Large: 9.91~11.94

Assembly and Fitting
1. Align the circular opening of the mask with the opening of the frame and push firmly until you hear a click to secure the mask and frame together.
2. Assemble the headset and frame.
3. Hold the mask against your face and pull the headgear over your head.
4. Press the button of the elbow and push it into the frame.
5. Magnetic clips mean two simple snaps and your mask is on or off. The quick -release elbow allows you to get up at night and disconnect without removing the mask.

Disposal
This product does not contain any hazardous substances and may be disposed of with your normal household refuse.

Attention
1. Please choose the correct size according to the size chart.
2. Do not expose the product to direct sunlight; exposure or high temperature drying, which may accelerate the age of the product.
3. If any visible deterioration of a system component is apparent (discolored,cracked, stretched or punctured). the component should be discarded and replaced.
4. The mask should not be used unless the device is turned on.

Regular replacement of the F20 Mask air cushion maintains a good seal for optimal results. Masks should be replaced about once a month.
Please allow 1~2cm error due to manual measurement. pls make sure you do not mind before you bid.
Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!
We value the quality of your sleep and strive to provide you with restful, restorative sleep with our reliable accessories.
We are constantly improving our products to make them more comfortable, convenient and affordable. We will continue to develop more products to meet the needs of more users.
We thank each and every one of our customers for their suggestions and feedback on our products. It is the feedback from our customers that makes our products more and more perfect. In addition, if you have any questions about the product, please feel free to find us through Amazon.