1'x1' Black Plastic Antique grille*damper*box, MVAB, #81918 actual OD, 11.375 in.

SKU: 4946BK-81918-MVAB


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  • Airtec 1'x1' Black Plastic Antique Diffuser w/Damper 6,7,8" collar MVAB.
  • Actual Outside Dimensions Of Faceplate is 11-3/8" x 11-3/8” square.
  • Produced by Rectorseal, Airtec brand,
  • Unique plastic ceiling diffuser which incorporates an integral ceiling box.
  • Intended for residential and light commercial applications.  They provide maximum convenience and time-saving as they are designed for easy installation by one man only working from below the ceiling.
  • Included is a built-in Air Damper to restrict airflow when desired.
  • Zip Tie Included. Used for a 6",7" or 8" duct.
  • MPN: 81918

Customer Reviews

Based on 2 reviews
Dustin Parker (Middletown, US)

1'x1' Black Plastic Antique grille/damper/box, MVAB, #81918 (actual OD, 11-3/8")

Tracey Williams (Monterey, US)
Covered 1909 era Flu Holes BEAUTIFULLY!!

Bought these to insert into flu holes in my 1909 Victorian I just bought. Couldn't stand the painted paper plate...these Fit PERFECTLY. The graduated size was a perfect design. Going to buy more when I get to those rooms!