Seattle Company Puraka First in State to Offer Masks Certified to New CDC-Recognized Fabric Mask Standard
On April 23rd, the US Centers for Disease Control and Prevention formally recognized the only national standard for reusable fabric face masks: ASTM F3502-21. One week later, Seattle-based Puraka Masks became the first company in the state of Washington to make F3502-compliant masks available to the public.