Designer Inspired Ultra Quiet Fan Panel shall be Middle Atlantic Products model # UQFP-4RA. Overtemp alarm output shall be normally open dry contact closure for use with customer supplied monitoring system. Unit shall remember settings when unplugged or during power outage. Fans shall activate at 81°F (27°C) and operate at speeds proportional to temperature inside enclosure. Fans shall displace 100 CFM with a maximum decibel level of 27dB (measurements made 1 meter from source, centered horizontally and vertically). Fan panel shall occupy two rackspaces. Chassis shall be constructed of 20-gauge steel with 16-gauge aluminum face. Fan panel shall be GREENGUARD Indoor Air Certified for Children and Schools. Fan panel shall be RoHS EU Directive 2002/95/EC compliant. Fan panel shall be manufactured by an ISO 9001 and ISO 14001 registered company. Fan panel shall be warrantied to be free from defects in materials and workmanship under normal use and conditions for a period of 3 years. Panel shall include a UL Listed 5V DC power supply and temperature probe with a 9' cord.