Zap™ Dual Arch Fluoride Gel Trays Zap™ Dual Arch Fluoride Gel Trays YFTHL Soft, anatomical design for comfortable, natural fit. SKU Qty Included YFTHL Each YFTHM Each YFTHS Each 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.