Model # RB12X4X6

Internet # 100173649

Store SKU # 148970

Store SO SKU # 755578

12 in. x 4 in. to 6 in. Universal Register Box

$6.68 /each

Frequently Bought Together

Product Overview

Register Boxes create a straight (in-line) transition from round pipe or insulated flexible duct to an air register or grill. Available in an assortment of configurations.

  • Galvanized steel construction
  • Always seal seams with building code approved sealant or duct tape
  • Install with sheet metal screws
  • Always insulate ductwork for greater system efficiency and comfort

Info & Guides

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Product Depth (in.) 
Product Height (in.) 
Product Width (in.) 


Brand/Model Compatibility 
HVAC application 
All HVAC types 
Product Weight (lb.) 
1.3 lb 

Warranty / Certifications

Manufacturer Warranty 
Free from Manufacturer Defect at Time of Delivery. 

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Customer Questions & Answers

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Customer Reviews

Rated 4.0 out of 5 by 3 reviewers.
Rated 5.0 out of 5.0 by Only place that stocks these all the time, outstanding price and value Purchased this for dust collection, I was surprised by the strength and quality of this adapter. Home Depot stocks amount of sizes and types of these adapters, made my life much easier. June 28, 2016
Rated 2.0 out of 5.0 by Low quality Poorly constructed. Low quality flanges made for poor fitment. February 10, 2016
Rated 5.0 out of 5.0 by I needed this product for the job I was working on. The product works well. That is all I needed. I'm satisfied. January 23, 2015
  • 2016-07-24 T18:45:54.316-05:00
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