Uniform Technology™ Disctek 2.5 Grid ISO 4 (Class 10) Cleanroom Hood - Pull Over Disctek 2.5 Fabric - 96% Polyester / 4% Carbon Pull over-open face Binding around face opening Two vertical female snaps at each side of temple Four vertical and horizontal snaps in back Split skirt Meets standards required for use in ISO 4 (Class 10) – ISO 8 (Class 100,000) cleanrooms and other controlled environments