Asthma Expiratory Valves 3122062 20

 Ref: 1-AST156K
Asthma Expiratory Valves

Unless expressly indicated otherwise, westons.com is not the manufacturer of the products sold on this site. Actual product packaging and materials may contain more and different information than that shown on our website. We recommend that you do not rely solely on the information presented on our website. Please always read labels, warnings, and directions provided with the product before use.