KF is an acronym for "Korean Filter". According to the standards of the Korea Food and Drug Safety Administration, masks with an average diameter of 0.4 μm particles with a filtration rate greater than 94% are called KF94 masks. Its filtration degree for oily and non-oily particles is at the same level, but there is no standard for bacterial filtration rate, which is slightly inferior to KN95 and N95.
KF95 (Block 15%virus)
As for returns and refunds. We will also respect the needs of customers, but customers must first go to the customer service telecommunication station to explain why they want to return and refund. The sauce is so good, we can correct our mistakes and losses. Secondly, you can check refunds and returns on our fb or Instagram. However, if the customer wants to refund the goods, there is only 2 days, but if there is a problem in the delivery process, the company will not be responsible but can help the customer to consult what happened.
Shipping Information: We will cooperate with J&T, Pos Laju, DHL, (Best, City-Link, Skynet, GD Express) and ask them to help us deliver to customers.