Dynamic™ - Replacement Sweatband, Black Mask Size_Medium/Large and the filtered air is

and the filtered air is fed through a hose to the human interface

or in combination with the SR 307 compressed air attachment

Decibullz earpieces are the only re-moldable custom earpieces in the world

R01-2001 Head Harness Replacement

280-HP641R

Dynamic™ - Replacement Sweatband, Black Mask Size_Medium/Large and the filtered air isDynamic Hard Hat Accessories Replacement Sweatband, Black Replacement Sweatband for all Dynamic Hard Hats Comfortable foam replacement sweatband Features Easy to replace replacement felt comfort bands for all Dynamic hard hat models Package of 10 Specifications Replacement Sweatband for all Dynamic Hard Hats 10 Pack Product Brochure