Acrylic Controlled Environment Chambers to meet requirements for testing, storage, and assembly AirLock and SIS Modular frame systems provide versatile, flexible,  easy to install enclosure configurations for cleanrooms, portable offices, production enclosures and more. Simplex AirBlock softwalls provide an economical alternative to  permanent wall partitions and are suitable for applications requiring the  highest level of sterility. Dual-Flex Flexible Impact Doors provide superior temperature control  and energy savings. They're ideal for walk-in coolers and freezers. Whatever your separation and isolation requirements, C.C. Steven and Simplex will do what it takes to meet them. We've innovations that set new standards in flexibility, durability, and low total cost of ownership. When it comes to meeting your needs for a clean, safe, energy efficient environment, look to Simplex for endless  possibilities. Our strip doors have always started with the highest quality materials. Where  other manufacturers cut corners with recycled material, we insist on only the  best, like 100% virgin vinyl. Our unique mounting systems and accessories were designed right from the start for fast installation. We make sure parts and  materials perform with optimum efficiency, last longer, and save you money. And we offer some of the best warranties in the business. We believe our "can do" approach sets us apart. From our thoughtfully  engineered solutions to our proactive approach to meeting your needs, we're eager to put our experience to work.