Extreme 300 Series MicroCoil Grille, CornellCookson
Suited for parking garages or high-traffic vehicular entrances, the Extreme 300 Series MicroCoil Grille by CornellCookson needs 50% less headroom than other similar products on the market. The system's compact operator has no roller chains or sprockets, and its variable-frequency drive ensures a smooth start and stop function, according to the manufacturer. This high-cycle grille comes with a springless shaft, thus reducing maintenance requirements, and operates at speeds of up to 24" per second. The 300 Series complies to the UL-325 standards for occupant safety, and comes in 12'-by-30' or 16'-by-28' sizes. Available in straight or brick curtain patterns and five finishes, including dark bronze andonized and black duranodic. Compatible with most activation systems.