Crosstex™ Isolator™ Duckbill N95 Surgical Respirator Crosstex™ Isolator™ Duckbill N95 Surgical Respirator GDBRESP-HF Flat-fold, duckbill design with dual head straps and malleable nose piece for superior filtration, fit and comfort. Large chamber for enhanced breathability. 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.