Architectural Lattice Grilles 1302-8x10 Finish:White *Note: Ceramic fiber blade insulation

*Note: Ceramic fiber blade insulation is not UL required on dampers with free areas less than 80 square inches

HVL Series Engineering/Performance Data

Standard Features *Surface mount return air grille * 45 fixed blades parallel to shortest dimension * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * 936 O - recessed screwdriver operated opposed blade damper * No Labor Collar (square sizes only) * 900 T - T-Bar mount * 905 HD - reinforced construction * 905 IS - insect screen * 1335-1338 Series - stainless steel version * Tamper proof screws

904 - Double Deflection Adjustable Aluminum Blade Grille For a 36" x 14" Duct Opening (front blades parallel to shortest dimension)

For evaporative coolers or central blower systems

Architectural Lattice Grilles 1302-8x10 Finish:White *Note: Ceramic fiber blade insulationStandard 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