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904 - Double Deflection Adjustable Aluminum Blade Grille For a 34" x 18" Duct Opening (front blades parallel to shortest dimension)
Standard Features * T-Bar lay-in filter grille with steel removable perforated face * 3/16" holes on 1/4" staggered centers * 20" x 20" x 1" filter (not included) * Square collar for 20 x 20 duct * 2x2 galvaneal steel panel with seismic support holes * Soft White Options * Square to round No Labor Collar
Square collar designed for a 20” × 20”
AA-HVL Series Engineering/Performance Data
Adjustable curved blade diffuser
4 1/4" Horizontal/Vertical Mount Fire Damper 2602-30X28 Residential Registers & Grilles 904 - Double Deflection Adjustableh3. Standard Features * 2601 Square or rectangular for vertical mount only. Maximum dimension 60x60 single, 120x120 multiple. * 2602 Square or rectangular spring actuated (6) for horizontal or vertical mount. Maximum dimension 60x60. * UL and California State Fire Marshall approved * 4 1 4" standard frame style * Interlocking steel roll formed blade (3) with roll formed frames (1) * Blade lock (5) * Damper manufactured from corrosion tested galvanized
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