CODE COMPLIANT: WhisperLine fans can be used to comply with ASHRAE 62.2, LEED, IAP, California Title 24, and WA Ventilation Code.
INSTALLATION KIT: Designed for use with 4'' WhisperLine fans, this kit includes one inlet grille(4''), one backdraft damper(4''), and six clamps.
LONG LIFE, GUARANTEED: Panasonic ventilation fans, switches, modules, and accessories are high-quality and built to last. Included 3-year limited warranty.
WHISPERLINE VENTILATION: Designed for residential or light commercial applications, WhisperLine ventilation fans (sold separately) can quietly exhaust air from multiple points.
