Dayton 3G-OTH-76230 — Technical Specifications

Name: Dayton 3G-OTH-76230 21"H-W 6.5"L Extrd Alu Backdraft Dampr: For 18 in Fan, Single Panel, 21 in H, 21 in W, 3 in D, Wall (MPN 4FZH5). Key specifications — Airflow Direction: Horizontal; Blade Type: Flat Blade; Brand: DAYTON; Maximum Air Velocity: 3250 fpm; Mounting Position: Vertical.
Brand: Dayton

The Dayton 4FZH5 is a wall-mount backdraft damper with extruded aluminum flat blades, designed for horizontal airflow in a vertical mounting position. It has a maximum air velocity of 3250 fpm and is sized for an 18-inch fan, with dimensions of 21 inches high, 21 inches wide, and 3 inches deep.

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Technical Specifications

Parameter	Value
D	3 in
H	21 in
Type	Single Panel, 21 in W, Wall
Brand	DAYTON
Blade Type	Flat Blade
Airflow Direction	Horizontal
Mounting Position	Vertical
Maximum Air Velocity	3250 fpm
Manufacturer Part Number	4FZH5