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Panasonic - WhisperGreenSelect Multi-Speed with Time Delay Module
(--.-- Incl. tax)
WhisperGreen Select's Multi-Speed with Time Delay* allows you to select the proper CFM settings to satisfy ASHRAE 62.2 continuous ventilation requirements. The fan runs continuously at a preset lower level (0, 30-100 or 0, 50-120 CFM, in 10 CFM increments