ASTM Level 3 Surgical Mask with Tie Straps (Made in Canada)

Our ASTM Level 3 surgical mask has a bacterial filtration efficiency of ≥98% and is made in the US & Canada. It is FDA approved and meets all Health Canada requirements. Available in a box of 25.  Features Made in US & Canada. Latex and fiberglass free Pleated 3 layer design Soft lined, water resistant, non-woven material Adjustable nose piece Tie -back design with extra long straps Polypropylene non-woven fabric Greater discounts apply for purchases of 6 boxes. For greater discounts, please contact us. A business account is not required to purchase.  Understanding ASTM Performance Standards ASTM is an international testing organization that sets performance criteria based on a number of characteristics including filtration efficiency. Masks that don't have an ASTM performance level on the packaging have not been certified and their true filtration efficiency is unknown.  Criteria Non-Certified Level 1 Level 2 Level 3 Filtration Efficiency, BFE Unknown ≥95% ≥98% ≥98% F