BUL20LC / 20LC COVER CLEAR MYLAR LENS ADHESIVE CC20 Series Supplied Air Respirator A Tychem® hood with a longer inner bib for greater protection against splash and overspray. Wide angle lens provides excellent peripheral vision. Mylar cover lenses are available for additional scratch and overspray protection. These hoods are all available with a powered purifying respirator. Choose from the appropriate air supply hose and optional climate control devices below. NIOSH approved Type C continuous flow respirator. Made in USA.