Model 1704AD Adjustable, Drainable Blade Louver combines architecturally pleasing aesthetics with airflow control in one single unit. Suitable for use in exhaust and low to medium velocity intake applications, the design features a drainable blade with rain gutters that divert collected water down concealed side downspouts and out the sill. Low torque, concealed linkage blade control can be operated manually or with an actuator to provide tight shut-off when desired, providing operable flexibility as well as excellent protection against the elements. Rugged galvanized steel construction provides excellent durability. Available in channel or flanged type, the 4” (102) deep frame installs easily in most common wall configurations. Nailor’s adjustable steel louvers are engineered to be aesthetically appealing as well as mechanically enduring.
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