XPert Balance Enclosure provides user protection by keeping powders and fumes contained during weighing procedures. Patented features include air foil with Clean-Sweep openings to enhance airflow and zoned-perforated rear baffle that creates horizontal laminar airflow to maximize containment. Exclusive features include deep 23.4" interior to accommodate large micro or analytical balances, upper dilution air supply and upper containment sash foil. Other features include side-entry air foils, built-in top-mounted airflow monitor; low profile design; dry powder, sturdy epoxy-coated aluminum frame and steel rear panel and baffle; 3/16" thick, non-static producing tempered safety glass sides and top for excellent visibility, ambient light and protection; ergonomic 1/4" thick tempered safety glass angled pivoting sash with wiping seal; and two utility ports. Requires exhausting to the outside or to the FilterMate Portable Exhauster from the top or bottom.