Össur CHEETAH Mode D'emploi page 6

WaTERPROOF
A waterproof device allows use in a wet and/or humid environment and
temporary (<30 mins.) submersion of up to 1m in fresh water. Exposure
to fresh water under these circumstances shall have no harmful effect.
Dry thoroughly after contact with fresh water. Fresh water: Includes tap
water. Excludes salt and chlorinated water.
The components used with the foot need to be waterproof as well.
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