The 3M Health Care Particulate Respirator and Surgical Mask helps provide protection against certain airborne biological particles when performing pet surgery. It also helps keep out particles such as dust. It has also been designed to be resistant to fluids, which means it can help protect the wearer's face against splatters of blood and other infectious fluids and materials. Protection of this nature is important when performing surgery. This mask features a collapse resistant design and is disposable. It is FDA cleared.