![Airmaster CBU-HP180FA-3PH Airmaster CBU-HP180FA-3PH](https://mrocrib.com/3591-large_default/airmaster-cbu-hp180fa-3ph.jpg)
Reference: PACA27-8
Brand: Airmaster Fan Co.
24" Roof or Wall Opening 8" High Curb
Airmaster Fan Model PACA27-8 EDP 31112 UPC 783429311123 Top Box = 27" Square Bottom Flange = 31" Square Roof Opening = 24" Square Curb Height = 8" Made In The USA