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Pottorff > Louvers and Penthouses > Louvers and Penthouses > Acoustical > EAA-845

Model EAA-845

Acoustical Louver
8" Deep - 45 Degree Insulated AIrfoil Blade

The EAA-845 airfoil blade acoustical louver provides low static pressure loss and reliable noise reduction over a wide range of frequencies. The EAA-845 is available in a wide array of finishes including custom color matching and is ideally suited for intake and exhaust application on standby generator enclosures.

EAA-845 8" Deep - 45 Degree Insulated AIrfoil Blade

Standard Construction

Material: Mill finish 6063-T5 extruded aluminum.

Frames: 8" deep x 0.081" thick (203 x 2) channel.

Blades: 45o x 0.081" (2) thick J-style with a 20 ga. (0.8) thick perforated backing packed with noncombustible insulating material.

Screen: 1/2" x 0.063" (12.7 x 1.6) expanded and flattened aluminum.

Screen Frame: Removable.

Mullion: Visible.

Minimum Size: 12" x 18" (305 x 457)

Maximum Size:
Single Section: 60" x 120" (1524 x 3048)
Multiple Section: Unlimited


Free Area: 6.1 ft2 (0.56 m2)


Performance @ Beginning Point of Water Penetration

Free Area Velocity: 649 fpm (3.30 m/s)

Air Volume Delivered: 3931 cfm (1.86 m3/s)

Pressure Loss: 0.03 in. wg. (8 Pa)


Velocity @ 0.15 in. wg. Pressure Loss: 1327 fpm (6.99 m/s)

Design Load: 30 psf

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