Crosstex™ Isofluid™ Plus Pure Mask with Secure Fit™ Mask Technology PreviousNext Crosstex™ Isofluid™ Plus Pure Mask with Secure Fit™ Mask Technology GPLUSWHSF 0.0 star rating Write a review ASTM LEVEL 1. Ideal for procedures where low amounts of fluid, spray and/or aerosols are produced. Better fit and protection with Secure Fit™ Mask Technology. 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.