What are the dimensions of this fan?

Outer grate 13" x 13" Recessed guts: 10.25" x 10.25"/ 5.625" high

What is it about this kit that makes it preferable for retrofitting versus new builds?

This is good for both new and remodel construction. (Existing replacement) The fan is bigger than most fans that are being replaced so there isn’t need for drywall patches/paint. The flexible bracket makes it extremely easy. If you have basic tools, a little experience with remodel work and take your time you won’t need to go into attic at all, or if you use the slim low profile version it can be done in between upstairs and downstairs situations. I’ve installed over 200 Panasonic exhaust fans as a professional electrician over the years. They are one of the only exhaust fan brands that I can honestly recommend. Hands down the quietest as well. There is a reason they cost more than the builder grade $15 Broan fans that come in most houses.

The product description says "dc". does that mean it will or won't run off of standard 120v ac current?

These fans run on normal US 120v … The “ DC” motor is powered internally once you supply 120v AC power and is better quality & makes it quieter. Hope this helps …

does this have a 30 day return window? Not sure it will be right and installer not doing for 10 days

Mine worked, didn't worry about 90days

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Panasonic WhisperFit Retrofit Ceiling Mount Bathroom Exhaust Fan, 50-80-110 CFM, FV-0511VF1

Panasonic WhisperFit Retrofit Ceiling Mount Bathroom Exhaust Fan, 50-80-110 CFM, FV-0511VF1

Product ID: 341650565

Details

Brand
Panasonic
Color
White
Electric fan design
Exhaust Fan
Mounting Type
Ceiling Mount
Power Source
Corded
Product Dimensions
13"D x 13"W x

⚡Energy Star certified, 15W power

💨Up to 110 CFM airflow

🔇Ultra-quiet 0.8 sones noise level

¥67023

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💨 Quiet power meets smart design—upgrade your bathroom air game today!

WHISPER QUIET OPERATION - Experience near-silent performance at just 0.8 sones—peaceful comfort guaranteed.
TRUSTED PANASONIC QUALITY - Backed by a 4.6-star rating and advanced brushless DC motor for long-lasting, reliable performance.
CUSTOMIZABLE AIRFLOW CONTROL - Pick your perfect breeze with 3-speed SmartFlow technology for tailored ventilation.
ENERGY EFFICIENT ECO FRIENDLY - Energy Star certification means powerful ventilation with minimal energy use—save green while going green.
EFFORTLESS RETROFIT INSTALLATION - Flex-Z Fast Bracket and ultra-slim 5.6" housing make upgrades a breeze in any 2x6 joist space.

The Panasonic WhisperFit Retrofit Ceiling Mount Bathroom Exhaust Fan delivers customizable airflow up to 110 CFM with whisper-quiet 0.8 sones noise. Featuring SmartFlow technology and an energy-efficient brushless DC motor, it’s Energy Star certified for eco-friendly performance. Its ultra-slim design and Flex-Z Fast Bracket enable easy retrofit installation in standard joist spaces, making it the top choice for modern, healthy indoor air ventilation.

Specifications

ASIN	B0973N9G21
Air Flow Capacity	110 cfm
Best Sellers Rank	#1,867 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #3 in Household Ventilation Fans
Blade Length	4 inches
Blade Material	Plastic
Brand Name	Panasonic
Collection Name	Bathroom
Color	White
Control Method	Touch
Controller Type	Hardwired
Customer Reviews	4.6 4.6 out of 5 stars (1,544)
Electric Fan Design	Exhaust Fan
Finish Type	Powder Coated
Included Components	Cord
Indoor Outdoor Usage	Indoor
Installation Type	Ceiling Mount
Item Dimensions D x W x H	13"D x 13"W x 5.6"H
Item Type Name	Ventilation Fan
Light Type	None/Not Applicable
Main Power Connector Type	NEMA 5-15 plug
Manufacturer	Panasonic
Material	Plastic
Model Name	WhisperFit DC
Model Number	FV-0511VF1
Motor Type	Brushless DC
Mounting Type	Ceiling Mount
Noise Level	0.8 sones
Number of Blades	5
Number of Packs	1
Number of Power Levels	3
Number of Speeds	3
Part Number	FV-0511VF1
Power Source	Corded Electric
Recommended Uses For Product	Exhausting, Ventilating
Room Type	Bathroom, Garage, Laundry Rooms, Living Room
Size	Medium
Special Features	Manual
Specification Met	Energy Star, UL
Speed	110 cfm
Standby Power Shutoff	High
Style	Fan
Switch Type	airflow selector switch
Theme	Modern
UPC	885170375468
Unit Count	1 Count
Voltage	120 volts
Wattage	15 watts

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