Broan L300MG White 317 CFM 3 Sone Ceiling or Wall Mounted Ventilator

Item #: bci417666

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Technical Specs

Installation Guide
Installation Manual
Specification Sheet
Product Specifications
Indoor Air Quality Graphic
Amperage 2.6
CFM 317
CFM (High) 317
Collection High Capacity
Configuration Exhaust Fan
Country Of Origin USA
Duct Discharge Horizontal
Duct Size 8" Round
Energy Star No
Function Utility Fan
Grille Finish Whites
Grille Length 14
Grille Width 14
HVI Certified No
Heater Included No
Housing Depth 11.75
Housing Length 12.25
Housing Width 12.25
Humidity Sensing No
Installation Type Ceiling, Wall
Light Included No
Made in America Yes
Manufacturer Warranty 1 Year Limited
Material Metal
Max Ventilation Area 288
Motion Sensor No
Night Light No
Product Weight 24
Sones 2.8
Speeds 1
UL Listed Yes
Voltage 120
Wattage 212

This product has additional required/recommended options. To configure, add to your cart.

  • Controls Recommended
  • Filter Recommended
  • Features a powerful 317 CFM permanently lubricated and sealed motor that's specifically designed for continuous use applications
  • Mounts directly to joists via mounting brackets which makes for an intuitive, straight-forward installation
  • Compatible with a number of Broan multi-function and time control wall switches (sold separately)
  • Not recommended for use over bathtubs and showers
  • CFM: 317
  • Sones: 2.8
  • Duct Size: 8 Inch Round
  • Grill Width: 14 Inches
  • Grill Length: 14 Inches
  • HVI Certified: No
  • UL Listed: Yes
  • Light Included: No
  • Housing Length: 12-1/4"
  • Housing Width: 12-1/4"
  • Housing Depth: 11-3/4"
Product Variations:
  • L200: 210 CFM, Polymeric Grille
  • L200MG: 215 CFM, Metal Grille
  • L250: 259 CFM, Polymeric Grille
  • L250MG: 265 CFM, Metal Grille
  • L300: 308 CFM, Polymeric Grille
  • L300KMG: 277 CFM, Metal Grille for Kitchen Applications
  • L300MG (This Model): 316 CFM, Metal Grille

Additional Broan Links

Our SKU: L300MG

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

  • White

*Denotes a finish or option that has been discontinued

2 Questions from the Community

  • The Broan L300MG can only be installed on the ceiling.

    Can I mount this fan on a wall instead of the ceiling?

    A. The Broan L300MG can only be installed on the ceiling.

  • The Broan L300MG can be used with an aluminum mesh filter (LAF1).

    Can you put in a grease filter on this unit?

    A. The Broan L300MG can be used with an aluminum mesh filter (LAF1).

Product Reviews

Rated 5 out of 5 by from Exactly as Shown and Described!!! This unit - I was so pleased when it arrived and I opened the box as it was exactly as advertised - fits perfectly into the exact space I had planned for it and I don't think I could have put a larger unit there (studs-wise). It is sooooo quiet and even with a 20' foot duct run through the attic to the exterior wall it opens the exit vent flap door outside all the way - full open - on full speed via the variable switch and even at its slowest speed at that distance it is open an inch. It shows me it is indeed moving air very well at all speeds!! I couldn't be more pleased. Couldn't be happier at the price of the product and the fellow who installed it was pleasently surprised too. Thank you very much.
Date published: 2013-05-21
Rated 5 out of 5 by from Installation Completed Installing was very straight forward and went very smothly. I made several test measurements CFM & power draw and right on specifications. An excellent unit
Date published: 2013-04-02
Rated 5 out of 5 by from Great fan I purchased this fan to vent my garage and at the same time help ventilate the attic space. It does a great job and the installation was a snap. To avoid cutting holes in walls for wiring I used a wireless switch.
Date published: 2011-08-27
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Warranty Info


Broan-NuTone LLC warrants to the original consumer purchaser of its products that such products will be free from defects in materials or workmanship for a period noted in the chart to the left from the date of original purchase. THERE ARE NO OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. During the stated warranty period, Broan-NuTone LLC will, at its option, repair or replace, without charge, any product or part which is found to be defective under normal use and service. THIS WARRANTY DOES NOT EXTEND TO FLUORESCENT LAMP STARTERS, TUBES AND BULBS, FUSES, FILTERS, DUCTS, ROOF CAPS, WALL CAPS AND OTHER ACCESSORIES FOR DUCTING. This warranty does not cover (a) normal maintenance and normal service or (b) any products or parts which have been subject to misuse, negligence, accident, improper maintenance or repair (other than by Broan-NuTone LLC), faulty installation or installation contrary to recommended installation instructions. Labor to remove and replace products is not covered. The duration of any implied warranty is limited to the time period specified for the express warranty. Some states do not allow limitations on how long an implied warranty lasts, so the above limitation may not apply to you. BROAN-NUTONE LLC’S OBLIGATION TO REPAIR OR REPLACE, AT BROAN-NUTONE LLC’S OPTION, SHALL BE THE PURCHASER’S SOLE AND EXCLUSIVE REMEDY UNDER THIS WARRANTY. BROAN AND/OR NUTONE SHALL NOT BE LIABLE FOR INCIDENTAL, CONSEQUENTIAL OR SPECIAL DAMAGES ARISING OUT OF OR IN CONNECTION WITH PRODUCT USE OR PERFORMANCE. Some states do not allow the exclusion or limitations of incidental or consequential damages, so the above limitation or exclusion may not apply to you. This warranty gives you specific legal rights, and you may also have other rights which vary from state to state. This warranty supersedes all prior warranties. - See more at:


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