Dayton 3G-OTH-76171 — Technical Specifications

Name: Dayton 3G-OTH-76171 21"H-W 5 1/4"L SS Backdraft Dampr: For 18 in Fan, Single Panel, 21 in H, 21 in W, 2 in D, Horizontal (MPN 4FZJ6). Key specifications — Airflow Direction: Horizontal; Blade Type: Flat Blade; Brand: DAYTON; Maximum Air Velocity: 2500 fpm; Mounting Position: Vertical.
Brand: Dayton

The Dayton 4FZJ6 is a wall-mount backdraft damper designed for use with an 18-inch fan. It features a single-panel, flat blade design with a vertical mounting position and horizontal airflow direction, supporting a maximum air velocity of 2500 fpm. The damper measures 21 inches in height, 21 inches in width, and 2 inches in depth, with a 5 1/4-inch length and stainless steel construction.

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Technical Specifications

Parameter	Value
D	2 in
H	21 in
Type	Single Panel, 21 in W, Horizontal
Brand	DAYTON
Blade Type	Flat Blade
Airflow Direction	Horizontal
Mounting Position	Vertical
Maximum Air Velocity	2500 fpm
Manufacturer Part Number	4FZJ6