Master Flow® Return Air Box Specs
Master Flow® Return Air Box Docs
Master Flow® Return Air Box Videos
strong
30-gauge, zinc-coated galvanized steel construction provides durability
Versatile
Comes with an existing collar or allows you to cut your own opening and install a collar to attach pipe or flexible duct as needed
useful
Used in a ceiling or wall application as an air return chamber
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Where to buy
Find a GAF distributor near you.