Hvac Duct

Penetration Item (Size and Type)

Sleeve
O = Optional
R = Required

Point Contact

Assembly Thickness

F Rating

Nelson Product

UL System

Nelson FS Drawing

10" diameter, 28 GA      5 2 LBS3 C-AJ-7092 FS-0543
10" X 30", 24 GA      3 ES1399 C-AJ-7079 FS-0461
12" X 24", 24 GA     LBS3 C-AJ-7091 FS-0542
12" X 24", 24 GA, also 6” thick hollow-core    X 2 ES1399 C-AJ-7077 FS-0459
12" X 24", 28 GA      2 FSP C-AJ-7010 FS-0128
20" X 36" OVAL, 24 GA    X 2 ES1399 C-AJ-7078 FS-0460
24" diameter, 22 GA    X 3 ES1399 C-AJ-7093 FS-0513