The Dynaco D-313 Cleanroom LF is designed for inside applications requiring a limitation of leak flow. It’s ideal for interlocks. Its perfect sealing properties provide environmental control and protect your installations against drafts, dust and dirt. With its modern design, the Dynaco D-313 Cleanroom LF is the slimmest high speed cleanroom door in the market. The patented “LF” (Low Friction) technology, combined with a frequency inverter driven motor, assures a smooth operation.