Search query: 3 inch backdraft damper

Product: Butterfly Backdraft Damper (3 Inch) (BD 3)
Brand: HVAC Express
Relevance: Exact
Backdraft damper with lightweight blades and foam closure to eliminate noise and increase efficiency. Proven design to protect against backdraft in your appliance venting Easy to install, heavy duty 26 gauge galvanized metal Foamed shutter system for quiet closure Vertical or horizontal mounting, with one end crimped Dampers are available in sizes 3" up to 24" ducting. Specifications Sheet - Butterfly Backdraft Damper
Backdraft damper with lightweight blades and foam closure shutter for quiet closure
Proven design to protect against backdraft in your appliance venting
Vertical or horizontal mounting, with one end crimped
Heavy-duty 26 gauge galvanized metal
Made in the USA

Product: Lambro 1475W White Plastic Louvered Vent, 3-Inch
Brand: Lambro
Relevance: Irrelevant
PLASTIC VENT - 3” white plastic louvered vent.Preferred hood with tail pipe.
KEEP ELEMENTS OUT - Opening/closing flaps prevent outside elements from entering the vent.
UV INHIBITOR - UV inhibitor is used to help prevent the premature fading of vent.
DIMENSIONS - Product dimensions: 6” x 6” x 1.5”.Includes removable screen to protect against the elements.
EASY INSTALLATION - Secure outside wall with four screws.

Product: Ideal-Air HGC736988 Damper, 12-inch Diameter, Made Gauge Galvanized Steel with Heavy-Duty Springs Prevents Back Drafts, Silver
Brand: Ideal-Air
Color: Silver
Relevance: Substitute
Ideal-Air Back Draft Dampers are made from heavy-gauge galvanized steel with heavy-duty springs
Their unique construction uses both an embossed bead and a rubber gasket to help keep ducting securely in place
Prevents back draft when fans are off
This Ideal-Air Back Draft Damper has a 12-inch diameter
The damper measures 12. 5“ x 12. 4“ x 5. 3“

Product: ALDES 8 Inch Round Spring Loaded Backdraft Damper - Professional Grade
Brand: ALDES
Relevance: Substitute
American Aldes delivers the premier backdraft damper solution favored for residential, commercial and industrial installations around the world. The highly rated automatic backdraft damper provides a complete seal, with no leakage to prevent backdraft airflows. It has been designed for low pressure drop and to require almost zero pressure to open the damper flaps when air is flowing the correct direction. The entire assembly inserts into the ductwork for easy installation and prevent leakage. Available in 4", 5", 6", 7", 8", 10", 12", 14" and 16".
Highest Rated Premium Airflow Control Backdraft Dampers
Spring-loaded butterfly aluminum damper blades encased in a 20-guage galvanized steel housing
May be installed in any position or orientation to prevent backflow and designed for use in AC, Heating, Vent and other HVAC application temperatures from -22 to 180 degrees F (Fahrenheit)
Extremely easy and secure inline duct insertion installation. Available in 4", 5", 6", 7", 8", 10", 12", 14" and 16".
Minimal pressure to open. 0.04 to 0.08 in. w.g. Maximum automatic back flow protection