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The Sealtite 4E137304100500 is a sheet metal register boot (SM 28R) used to connect a 5 in round duct to a 4" x 10" rectangular throat. It functions as a regular end register boot for HVAC duct transitions, providing a sheet metal connection between round ductwork and rectangular register throats for ventilation and air distribution.
Sheet metal HVAC register boot for connecting 5 in round ducts to 4" x 10" rectangular throats; model 4E137304100500 (SM 28R).
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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