3M 1860 N95 PARTICULATE RESPIRATOR/SURGICAL MASK BOX OF 20 3M N95 MASKS Box of 20 Surgical Masks The 3M 1860 health care particulate respirator and surgical mask is designed to help provide respiratory protection for the wearer. Box Measures 5.25"L x 5.25"W x 8"H. Weighs .61 lbs. #08-7504 MSRP: Was: Now: $89.95 Add to Cart