25 Halyard H600 Face Mask Bundle 1960s face mask H600 ties upon each corner

H600 ties upon each corner are fully lined with heat resistant yarn adding strength and durability for repeated wear

white and tan abstract background surrounding flowers

Beautiful 1960s rare vintage cotton print with a white background and various shapes and sizes of flowers in light and dark purple and coral

Over 15 years experience in various garment design/construction and sewing machine repair

Every mask purchase includes a mask donation to Sew Face Masks Philly and one Halyard h600 filter (n99 filtration- Halyard masks available here)

25 Halyard H600 Face Mask Bundle 1960s face mask H600 ties upon each cornerThe Halyard H600 Masks were created by the University of Florida anesthesiology department and professor of anesthesiology Dr. Bruce Spiess to combat the shortage of healthcare worker personal protective equipment. Speiss dreamt up the idea late one night and after researching, discovered the Halyard H600 surgical wrap traditionally used for storing and sterilizing surgical instruments has a BFE (Bacterial Filtration Efficiency) of 99. 9%, the highest