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450 Series Engineering/Performance Data
parallel to longest dimension
Designed for protection of ceiling openings in fire rated floor/ceiling assemblies with fire resistance ratings of 3 hours or less
3/16” holes on 1/4” staggered centers Extruded aluminum frame with signature line marks Perforated material 58% free area Countersunk mounting holes for flush appearance with color matching Phillips posi- drive screws Rust resistant pre-coat with durable powder finish Soft White
Driftwood Tan or Soft White
Return Air Grille 1075-18X16 Finish:Designer Color - Bronze 450 Series Engineering/Performance DataStandard Features * 1 2" spacing dual angular louvers * 22 & 20 gauge cold roll steel * Mullions are reinforced with stiffeners for greater strength * For applications where greater air volume is required * Install with louvers in up or down position for best duct concealment * Countersunk mounting holes for flush appearance with color matching Phillips posi drive screws * Soft White Options * Tamper proof screws * Standard Color, Designer Color or
US$ 14.95
US$ 12.95
US$ 14.95
US$ 50.00
