Architectural Lattice Grilles 1302-36x18 Accessories One piece curved frame with

One piece curved frame with gasket fits flush to spiral pipe

Individually welded 14 guage diffusion bars

Holds up to 1" filter (not included)

For evaporative cooling or high-velocity exhaust applications

Standard Features * 4000 - door core grille with single frame * 4100 - door core grille with additional loose frame *

Architectural Lattice Grilles 1302-36x18 Accessories One piece curved frame withStandard Features 1 rim size (2 larger than nominal duct size order size) 14 gauge steel construction Countersunk mounting holes for a flush appearance 1 27 32 Wide x 11 32 High slots on staggered centers. 5 32 crossbars, with 75% free area Options 14 GA 304 SS Construction 12 GA (. 080") Aluminum Construction 1 8" GA (. 125") Aluminum Construction 12 GA Steel Construction