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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
Non-standard size collar (available in 6" through 20")
RD Series Engineering/Performance Data
1/2" spacing dual angular louvers
w/ Lever Operated Opposed Blade Damper
Pair Mounting Angle Ring MAR-6 past 12 months 3/16” holes on 1/4” staggered
US$ 28.47
US$ 25.94
US$ 15.99
US$ 11.99
US$ 480.00
