• Stowable slot adapters allow frames to work with or without earmuffs
  • Replaceable debris-control creates a tight seal between helmet and the frame
  • Sliding adjustment blades allow visor to work with most half-mask respirators
  • Unique V-Shape channels
  • Fits all slotted MSA caps
  • ET frame tested to temperatures of 350°F (176.7°C), reducing warping, cracking or crazing