Specifically designed for use with 18, 24 and 36" Buchner Funnels, apply slight downward pressure and "sweep" the trowel along the precipitate surface to smooth fissures during filtration.Large surface area smooths fissures faster than the traditional narrow spatula methodBeveled edges on both sides permit bi-directional smoothingCurved ends match Buchner Funnel sidewalls for easy access to the entire cake surfaceFDA-grade HDPE complies with industry standards for chemical resistanceWelded construction with no hollow cavities for hygienic use and easy cleaning