Kitchen Exhaust - Air Duct

Penetration Item (Size and Type)

Point Contact

Assembly Thickness

F Rating

Nelson Product

UL System

Nelson FS Drawing

Max. 24" x 30", 26 GA Air Duct & 16 GA Grease Duct, Blanket Type
Thermal Ceramics

X

3¾", 5 1,2 ES1399/LBS3 W-L-7121 FS-0656