https://www.ebay.com/sch/i.html?_nkw=Procedure+Mask+3M+Pleated+Earloops+One+Size+Fits+Most+Case+Of+600&_sacat=0&_dmd=2

Procedure Mask 3M Pleated Earloops One Size Fits Most Case Of 600

Regular price
$179.00
Sale price
$119.00

Features: Hypo-allergenic to reduce chances of wearer's allergic reaction and featuring a non-fiberglass construction. The masks have >99% Bacterial Filtration Efficiency (BFE){1} and >95% 0.1 micron filtration efficiency. Fluid resistant to help reduce potential exposure of the wearer to blood and body fluids. Case of 600.