Alpha Solway Limited
Factory 1, Queensberry Street
Annan, Dumfriesshire, DG12 5BL

Tel: +44 (0) 1461 202452
Fax: +44 (0) 1461 205684

Email: sales@alphasolway.com

What is the purpose of the small valve at the front of some masks?

Answer:

The valve helps lower the temperature inside the mask and also reduces condensation caused by the mask on wearers' spectacles.

Section:

Respiratory