The exhalation valve on the mask is designed to reduce resistance when exhaling

With its many features and high quality

You can be sure that you are making a difference to the environment

Also available in men's model 3530

J.Harvest & Frost Red Bow 120 Regular 2912001 Size:XL The exhalation valve on theJ. Harvest & Frost Red Bow 120 Regular 2912001 J. Harvest & Frost Red Bow 120 Regular 2912001 is an iron free twill shirt with patented environmentally friendly finishing. The shirt has a tone on tone paisley pattern on the collar and cuffs with white details in the button thread, adding a classic, modern and sophisticated look. The two part carrier ensures a soft, curved look over the shoulders and allows greater freedom of movement. Taped seams help