● Excellent filter material for low breathing resistance.
● The alternative advanced filter media is used to pass the dolomite clogging test which provides even lower breathing resistance and longer protective life time.
● Individually adjustable nose clip for contoured fit.
● Ultrasonic welded head-straps for safe and secure seal.
● Fully adjustable head-strap designed for FFP3 grade to ensure a proper fit.
● A full inside foam is adapted on FFP3 grade to provide even better secure seal.
● Optional one-way valve reduces heat and moisture accumulate inside the mask for better comfort.
● Optional activated carbon helps to eliminate form breath in nuisance level organic vapor.