Simply the Cleanest and Most Durable Seamless Fiberglass Door Offered Today. With input from pharmaceutical engineers in the United States and Europe, the Pharma-Swing™ SF (Single Fiberglass) is the tightest sealing, most reliable swinging door available today. Beyond meeting cGMP guidelines, the door is offered in a variety of models with options to meet any pharmaceutical, nutriceutical, biochemical or clean room application. The panels are constructed of fully seamless, heavy-duty fiberglass and designed to meet the rigorous industry standards for safety and impact. Available in manual or powered versions, the Pharma-Swing™ SF is engineered and manufactured to provide the cleanability and reliability required for uninterrupted facility operations.