An isolator designed to maintain an aseptic environment throughout the compounding and material transfer of pharmaceutical ingredients or preparations. Compounding Aseptic Isolator provides a safe and clean environment for compounding of non-hazardous, sterile drug preparations and IV admixtures in compliance with USP 797 criteria. It is suitable for work involving non-hazardous materials. The work zone and pass-thru interchange are under positive pressure to the room in order to maintain sterility in case of breach in the barrier isolation system. Air cleanliness is maintained with the use HEPA filters and other filters capable of eliminating microbial and other particulate contaminants.