●产品特征：
Roof Curb For Fan Base Size 19 in to 20 1/2 in Curb Height 24 in Curb Inside Width 14 1/2 in to 18 in Curb Outside Width 17 1/2 in to 22 in Material Steel Standards NFPA 96 UL 705 UL 762 For Use With NFPA 96 UL 705 UL 762 Adjustability Adjustable Ventilation Type Ventilated Application Commercial Kitchen Curb Inside Length 14 1/2 in to 18 in Curb Shape Square Features Flashing Flange Finish Galvanized Flashing Flange Width 5 in

●用途:
Construction:16 Gauge Galvanized Steel
Curb Height (In.):24 in
Flashing Flange (In.):5 in
For Use With:NFPA 96
Item:Roof Curb
Outside Square (In.):17 1/2 to 22
Top Flange Surface Width (In.):1 3/4 in
Use w/Dayton Ventilators:Having a Square Base From 19 t
Inside Square (In.):14 1/2 to 18
Type:Adjustable