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FB443F-25 Arlington Industries Vapor Box Side Mount - Pack of 25

Important Customer Notice
Arlington Industries orders are seeing extended lead times due to a manufacturing bottleneck related to huge demand. All orders will be processed and fulfilled as fast as possible by DWG. When ordering, we suggest a minimum of $1000 in Arlington items to increase the order fulfillment efficiency.

To help to minimize fullfilment time we strongly suggest the following:
  • For shipping method, please select UPS 3-Day Select (when amount returned is reasonable) as this will help to better prioritize the order in the fullfillment system.
  • Don't mix items from other brands on the same order as Arlington Industries parts.
SKU: FB443F-25
  • Styles for single or double drywall
  • Vapor barrier prevents air infiltration in bracket and box
  • Includes extra gasket material for knockouts
  • Installation screws ship captive
  • Two hour fire rating
  • UL Ratings:
    • 70 lb fan/200 lb fixture
    • CSA: 50 lb fan or fixture
  • Pack of 25
More details...
MSRP Price: $730.00
Online Price: $456.00

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FB443F-25 Arlington Industries Vapor Box Side Mount - Pack of 25
FB443F-25 Arlington Industries Vapor Box Side Mount - Pack of 25
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Product Details

Our economical L-shaped fan/fixture boxes mount securely to joist with a shipped-in-place center screw.



  • Part Number - FB443F
  • Description - Joist Mount Screw-On L-Shaped Vapor Box for Fans and Fixtures (Single Drywall)
  • UPC - 018997762221
  • Unit Packaging - 25pcs
  • Standard Packaging - 25pcs
  • Country of Origin - Made in USA
  • Available w/ Grounding Clip - Yes - Order Part Number FB443FGC


  • Weight - 0.380 lbs / each
  • Height - 6.250"
  • Width - 6.250"
  • Color - Black
  • Material(s) - Non-Conductive Plastic


  • Cubic Inches - 18.8
  • Style - Screw-On for Fan or Fixture
  • Usage - Protects Against Air Infiltration.

FB443F-25 Specifications PDF

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