Google has finally lifted the block on listing respirator masks on Shopping Ads and Free listings as of 31st of August 2021.
For the US, Google now allows N95 masks and for all other countries KN95, FFP2, and KF94 masks.
US Mask Only Listings
For listing N95 Masks in the US, Project N95 will approve all listings and will be listed directly by Project N95 on behalf of N95 merchants.
You can apply here: https://airtable.com/shrYrHXAIxKCDWoWp
Global Mask Listings
For global listings for masks KN95, FFP2 and KF94, both merchants and suppliers need approval via LegitScript. The approval needs to be done prior to listing your products.
You can apply here: https://www.legitscript.com/masks/
Why The Extensive Approval Process?
To avoid counterfeit masks from being sold.