Simpson SD1 Shield - Iridium 4122LRGBU simply replace the paper filter

simply replace the paper filter and wash and reuse the intermediate and pre-filter

Lenzing(R) is also permently fire resistant but it is also is highly heat resistant

Material: medium tensile carbon

FR Acrylic/Cotton Blended 6

Simpson SD1 Shield - Iridium 4122LRGBU simply replace the paper filterSimpson helmet shields are offered in clear as well as stylish and functional tints. When ordering a shield for your racing or motorcycle helmet, keep these considerations in mind: Clear shields are generally used for night racing or very low light conditions Amber shields provide a minimal amount of tinting that's ideally suited to overcast weather Yellow shields are often used in dawn or dusk driving, as they tend to accentuate track features Tinted