
SIZE GUIDE
Please check the size of the product you want
through the Size Charts below.
.
Mask Size Charts
Measure the vertical distance from the start of the nose to the tip of your chin to check the size that suits you.

SIZE | under 8cm | 8 - 10cm | over 10cm |
Flow2 | XS | S | M |
Facewear | S | M | L |
Freka KIM | S | S/M | M |
Because the height of the nose is different, there may be some differences from person to person.
Compatibility Charts
Please check the appropriate accessory information for your mask through the chart below.
SIZE | AIR Filter | KIM Filter | Insert S | Insert M | Earneck US | |
FLOW2 | XS | O | X | O | X | O |
S | O | X | O | O | O | |
M | O | X | X | O | O | |
FACEWEAR | S | O | X | O | X | O |
M | O | X | O | O | O | |
L | O | X | X | O | O | |
FREKA KIM | S/M | X | O | X | X | O |
[Notices]
• FREKA FILTERS and FREKA INSERT are only
compatible with FREKA masks.
• FREKA INSERT is a mask-only accessary and
cannot be worn alone.
• Do not use FREKA accessories for anything other than
the original purpose.