3M™ Speedglas™ 9100 Air Head Shield Face Seal
It’s important to maintain the face seal in good order. the thin, pliant face seal creates a positive pressure environment within the helmet that keeps surrounding pollutants at bay. If the face seal is damaged there is great risk of equal pressure that will allow contaminated air to get inside the helmet.
A face seal in good working order is essential at all times, replace at least every three months or earlier if unhygienic.
The Speedglas 9100 air face seal is available in one size only, but one size fits all.
3M part number 534100