Model 881 ADV-Xtreme is an interior high speed fabric door to satisfy commercial applications where indoor distribution or manufacturing facilities require environmentally controlled environments for high traffic areas from forklift operation. Model 881 ADV-Xtreme high speed interior fabric door has an airtight design to prevent airborne contaminants from entering the controlled and non-controlled environments and reduces air exchange to no higher than .236 cfm/sf (ASTM E-283). Model 881 can withstand a pressure of up to 7.5 psf, making it an excellent option to separate high and low-pressure rooms in large facilities.