Panasonic FV-40NLF1 WhisperLine 440 CFM 2.1 Sones Ceiling Mounted Energy Star Rated Exhaust Fan with Adjustable Airflow for Ducting Multiple Rooms

- Item #: BCI531514

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  • Fully enclosed condenser motor with powerful 120 CFM Sirocco blower that operates at a whisper-quiet 1 Sone.
  • Heavy-gauge galvanized steel and zinc fan housing is insulated to prevent condensation, and promotes durability through rust proof paint treatment applied to the exterior that impedes oxidation.
  • Versatile installation options, including joist, truss, and suspension brackets allow this fan fit in five different positions.
  • The WhisperLine™ Series is specifically engineered to provide ventilation to an array of different settings with just one fan.
  • Adjustable airflow allows you the control to balance intake from multiple inlets.
  • UL Listing permits use in tub and shower enclosures


  • EnergyStar® Qualified: High CFM-to-Watt efficiency is the primary goal of Panasonic WhisperLine™ fans. The facets of EnergyStar® program are twofold: saving you money, while protecting the environment by conserving energy at the same time.


  • Adjustable Airflow: Low-profile design and sleek engineering give you the ability to balance the airflow from multiple inlets on WhisperLine™ Fans. Inlets nearest to the fan will draw more air than those further away. By adjusting the inlets, you can create balanced and even air circulation.



  • CFM: 440
  • Sones: 2.1
  • Duct Diameter: 8"
  • Housing Width: 11-1/32"
  • Housing Length: 16-1/2"
  • Housing Depth: 11-1/32"
  • Lighting: No
  • EnergyStar® Qualified: Yes
  • Blower Wheel Type: Sirocco
  • UL Listed: Yes (for Tub/Shower Enclosure with use of GFCI branch circuit wire)
  • HVI Certified: Yes
  • Weight: 26 lbs.

Additional Panasonic Links

Our SKU: Panasonic FV-40NLF1

This product is listed under the following manufacturer number(s):

  • Panasonic FV-40NLF1

*Denotes a finish or option that has been discontinued

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Panasonic FV-40NLF1 Reviews

Rated 5 out of 5 by from great product it is so quiet that you almost don't feel it is working. Very nice product.
Date published: 2012-07-31
Rated 5 out of 5 by from In A Word: Silent I was looking for a quiet bathroom fan and a buddy clued me into the Panasonic line. The older I get, the more I enjoy my quiet. I purchased the remote grille kit and this inline fan. I mounted the fan on under the rafters and used 6" insulated flex duct for the connection. The mechanical timer in my wall was louder than this fan. I replaced the timer with an electronic version. Now, I have to stick my head into the bathroom to tell it is on. The fan is not quiet, it is silent. I recommend this setup to everyone.
Date published: 2011-06-28

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