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Return Air Grille, Lay-In T-Bar

  • Item# 4MJV6
  • Mfr. Model# 4MJV6
  • Catalog Page# 3866
  • UNSPSC# 40141901
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  • Shipping Weight 6.48 lbs.
Country of Origin China Country of Origin is subject to change.
Note: Product availability is real-time updated and adjusted continuously. The product will be reserved for you when you complete your order. More

Technical Specs

  • Item Return Air Grille
  • Type Perforated, Return, Lay-In T-Bar with Filter Frame and Insulation
  • Grille/Register Item Return Air Grille
  • Height (In.) 23.75
  • Width (In.) 23.75
  • Depth (In.) 3.35
  • Max. Duct Height (In.) 24
  • Max. Duct Width (In.) 24
  • Finish Enamel
  • For Use With 4JRN2, 4JRN3, 4JRN4 or 4JRN5
  • Construction Steel
  • Includes Filter Frame for 20x20x1" Filters
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Customer Reviews


Rated 2.5 out of 5 by 2reviewers.
Rated 4 out of 5 by I have two of these installed in my facility, and they work fine. They even have a filter screen preinstalled.Not too bad. November 8, 2013
Rated 1 out of 5 by I have purchased these twice. They are very cheaply made and will require repair when you get them. The top is not crimped properly onto the metal base. The foil is often torn, the inner lining of the insulated box was not glued in. So I had to crimp the box on and then tape it together, tape the silver side and reglue the liner. Grainger should keep looking and find something better. April 2, 2013
  • 2016-09-27 T16:24:00.805-05:00
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