Made in Korea using a melt blown filter for KF94. The size of the Korean high efficiency filter is 6.1 X 3.74 inch, which is larger than the Chinese PM2.5 filter (4.7 X 3.1 inch).
We are more confident in quality than low-priced Chinese. The defect rate is almost 0%. You can use it with confidence. The filter effect is more effective because it has a larger area than other filters. If you are a business buyer wanting a bulk purchase, please send me a message. We will check the quantity and adjust the price.
Can be used on most filter replaceable Face Cover. It can also be used for non-replaceable Face Cover.
Description
Bacterial filtration efficiency (BFE) is 99.9%. The size of the Korean high efficiency filter is 6.1 X 3.74 inch, which is larger than the Chinese PM2.5 filter (4.7 X 3.1 inch).