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Product Description

Aldes High-Performance Wall Hoods are designed for use in
exhaust or supply ventilation systems and fresh air kits. They
are engineered to accommodate high airflow pressure and
velocities found in premium fan and dryer vent systems. Wall
hoods are available as screened or dampered versions. Each
wall hood is designed to maximize airflow and minimize noise.
Construction
Wall Hoods are available in heavy-gauge G90 galvanized
steel.
Screened Wall Hoods
1/4" galvanized steel mesh. Suitable for use in exhaust or
supply ventilation systems and fresh-air kits.
Dampered Wall Hoods
For use in exhaust ventilation and dryer venting systems. A
magnetic-catch damper ensures a tight closure when the fan is
not running and eliminates damper flutter in windy conditions.
These hoods should be used when backdraft dampers are not
present at other locations within the duct system.
MODEL
Size
For more information, contact your Aldes sales advisor, visit aldes-na.com, call 1.800.255.7749, or find us on
©2020 American ALDES Ventilation Corporation and ©2020 ALDES Canada. HP_WallHoods_SPEC_0920. Aldes reserves the right to modify its products at any time to introduce new technologies.
Galvanized**
Dampered*
P/N
4"
22 404
5"
22 405
6"
22 406
8"
22 408
10"
22 410
12"
22 412
*For wall hoods with screens and backdraft dampers, add backdraft damper to screen model.
**Galvanized Steel Items (4" to 8" are 26 gauge; 10" and 12" are 24-gauge).
Materials: Galvanized Steel G-90. Damper: Aluminum sheet, 0.020"
HIGH-PERFORMANCE
WALL HOODS
WITH SCREENS OR GRAVITY DAMPERS
ROOF CAPS, WALL HOODS, GRILLES
& DUCT FITTINGS
Dimensions
A
Screened
P/N
A
B
22 304
4"
3"
22 305
5"
3"
22 306
6"
3"
22 308
8"
3"
22 310
10"
3"
22 312
12"
3"
With Damper
C
E
B
D
Dimensions
C
D
E
F
3.0"
4.5"
8"
6"
3.0"
5.0"
9"
8"
4.0"
6.0"
10"
9"
5.0"
8.0"
12"
11"
6.5"
10.0"
14"
13"
8.5"
12.0"
16"
15"
With Screen
F