Feature

●100% Polypropylene
●The filter size is about 17.5cm wide x 10cm high and can be cut to use
●You can even block virus spray in the inside pocket of the "reusable cloth mask"
●This sheet has been tested to 99% BFE (bacteria rejection rate 3μm) and 95% PFE (particulate filtration rate 0.1μm) as the center filter for disposable non-woven masks. According to SGS research by major testing laboratories
●You can also set the inside of other cloth masks. You can wash it by hand with bleach and reuse it, but it will gradually reduce its performance, so please replace it with a moderately new one. For viruses and pollen protection. A transparent plastic bag with a zipper is also included, so please use it as a portable bag for going out


Description

Product information