Isolation System, Inc. has designed and engineered the PTC System, with careful attention to user needs. This system has been developed to ensure effective material and product transfer between clean areas and process stations. Its rugged solid stainless steel construction protects against wear in high-traffic applications and provides long-lasting aesthetic appeal. This system can be supplied to operate under either positive or negative pressure conditions, recirculating or single pass air flows and returns. Adjustable shelves allows for multi-product and con-tainer size applications. Coved interior corners provides for easy cleaning and decontamination between uses. System can be operated under DC power or AC . DC power source is completely rechargeable . This product may be easily customized to fit your specific needs and process transfer requirements.