Booth 1223. Downflo® Containment System is designed to address the increased safety and environment exposure concerns in the pharmaceutical industry. Downflo® Oval® family of dust collection technology includes the Downflo® Containment System (DCS) which is a two-stage, all-stainless steel filtration system with improved bag-in/bag-out arrangements and improved hopper discharge options. Unit is available in stainless steel or mild steel and handles airflow up to 6000 CFM. Two-stage filtration includes a primary filter stage with higher efficiency Ultra-Web® oval-shaped cartridge filers and a second filter stage with either HEPA and/or ULPA filters. Proprietary bag-in/bag-out options are available for both cartridge and panel filters.