This LG Airwasher KF94 Particle Face Mask Respirator 2 Pack in Large Black is perfect for those in the cosmetology, dental laboratory, medical laboratory, microbiological laboratory, and biological laboratory fields. It is designed for use in various disciplines and is made by LG, a trusted brand in the industry. This unit type face mask is disposable and is intended for single use. It is manufactured in Korea, Republic of and is an essential addition to your studies in several fields.