Bedding_bargains via Ebay offers KN95 Respirator Masks 5-Layer Protection > 95% Filter Protection (Multi-Packs) for $19.99 with free shipping.

Product Description:
N95 Face Masks are now In Stock in our Denver, Colorado warehouse and will normally ship within 1 business days of your order being placed.
Specifications and Description - KN95 Face Masks
Meets or exceeds the KN95 filtration standards of China and the FPP2 filtration standards of the European Union.five layers of protection.Non-woven protective layer.Filtering material that allows the mask to have a Filter Protection ≥ 95%.Comfortable lining and folding ability.Efficient particle filtration.Flexible plastic or metal nose bridge to adjust and secure mask. Tight fitting seal.Performance Standard: GB 2626-2006.Manufactured at a certified and accredited facility.Independently tested.Manufacturer certificates available upon request.Packaging may vary.