Crosstex™ Isofluid™ FogFree™ Earloop Mask with Secure Fit™ Mask Technology PreviousNext Crosstex™ Isofluid™ FogFree™ Earloop Mask with Secure Fit™ Mask Technology GCICXBSF-HF 0.0 star rating Write a review ASTM LEVEL 1. FogFree Strip on mask inner layer to help reduce fogging of eyewear. Better fit and protection with Secure Fit™ Mask Technology. Blue 40/box. Where to Buy x Category Dealer PartnersSales RepresentativeStrategic MarketsSchools RepresentativeAccutron™ Equipment Sales Zip Code Find RepresentativeReset Select a category, input a zip code and click on Find Representative, or explore the complete list here.