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Because it can be hard to determine what the impact of ductwork will have of a fan's performance, the SmartFlow™ Optimum cfm Technology in this fan compensates for static pressure, so that when the fan senses static pressure the speed is automatically increased to ensure that the desired 80 cfm rate of exhaust is achieved.

Continuous ventilation is provided by the CustomVent™ Variable Speed Control that allows the fan to run continuously at a pre-set lower level of 30-70 CFMs, helping insure good indoor air quality. When the motion sensor no longer detects someone in the room the integrated delay timer will then return the fan from high speed (80 cfm) to the pre-set lower cfm level (from 30 seconds to 60 minutes). Both the preferred low cfm setting and the period of delay may be set by the user.

Like other Panasonic fans, this fan also has a built-in backdraft damper, enclosed condensor motor rated for continuous operation, rust proof paint on a galvanized steel housing, and is designed for relatively easy installation.

• Electrical Specifications: 120 volts AC, 60Hz, 0.03 to 0.08 amps, 11.3 watts
• Maximum Airflow: 80 cfm (for bathrooms up to 640 cu. ft.)
• Loudness: 0.3 sone
• Duct: 4 inch
• Grill Size: 13 inches
• Mounting Opening: 10 7/8 inches
• Dimensions: 13 inches square x 7 7/8 inches deep
• Approvals: UL Listed for use in a tub/shower with GFCI branch circuit wiring
• Origin: China