F40 PROPIONATE FACE SHIELD WINDOWS JACKSON SAFETY® MOLDED UNBOUND PROPIONATE REPLACEMENT FACE SHIELDS ARE DESIGNED TO REDUCE THE RISK OF SPLASH SPRAY AND LIGHT IMPACTS. A MOLDED DESIGN PROVIDES SUPERIOR DISTORTION-FREE OPTICAL QUALITY. FACE SHIELDS ARE COMPATIBLE WITH THE JACKSON SAFETY® HARD HAT INTERCHANGE SYSTEM (HHIS).UNIVERSAL PIN PATTERN MOUNTING SYSTEM ALLOWS USE WITH MOST BRANDS OF HEADGEAR MADE WITH A LIGHTWEIGHT AND CHEMICAL RESISTANT MATERIAL STRONGER IMPACT RESISTANCE THAN ACETATE STYLE COUNTERPARTS. THE JACKSON SAFETY® HARD HAT INTERCHANGE SYSTEM IS AN ALL-IN-ONE SAFETY SOLUTION. IT LETS YOU EASILY ADD REMOVE OR SWITCH BETWEEN YOUR WELDING HELMET OR FACE SHIELD WITH SPEED AND EASE - ALL WITHOUT REMOVING YOUR HARD HAT. LOOK FOR MODEL NUMBERS THAT QUALIFY SO YOU CAN STAY PROTECTED AT ALL TIMES.