ResMed Swift FX™ Back Strap member-discount low-tension seal that minimizes skin

low-tension seal that minimizes skin friction

Measurements: 44

When flying

Enjoy up to twice the runtime of a standard battery

This is the official replacement part

ResMed Swift FX™ Back Strap member-discount low-tension seal that minimizes skinThe ResMed Swift FX Back Strap is the genuine replacement fabric strap that sits at the back of your head to secure the Swift FX mask. While the silicone side straps of the Swift FX are highly durable, the fabric back strap is often the first part to lose elasticity or wear out from nightly use and washing. If your mask is slipping during the night or you find yourself constantly re tightening the buckle, replacing this strap will restore the