HEMCO‘s Perchloric Acid Hoods are engineered for the safe handling of perchloric acids in laboratory procedures. Hoods come in 48”, 60”, & 72” widths and include a dedicated wash down and exhaust system. UniFlow Superstructure constructed of either PVC or type 316 stainless steel features exclusive unitized dual wall construction for superior chemical resistance, strength, and durability. Rear drain trough is integral to superstructure. Fume hood features dedicated wash down with integral piping spray nozzles and remote control on right column.