Best Hvac System Dampers

ALDES 14 Round Spring Loaded Backdraft Damper - Professional Grade

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....
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.

8″w X 4″h Is The Size For The Duct Opening Measurement Only Actual Front End Frame Outer Dimensions Are 9.75″w X 5.75″h – SEE BELOW IN DESCRIPTION HOW TO MEASURE A GRILLE.
High Quality Solid Stamped Steel Construction, No Scuff Powder Coat Durable Finish, No Sharp Edges, 2 Recessed Screw Holes On Each Side with Screws Included, EASY INSTALLATION.
LOUVERED Supply Grille for Sidewall or Ceiling Application with SmoothGlide Technology, Easy Opening and Closing Back Dampers For Better Airflow Control, Quiet Lever.
QUALITY PACKAGING – Carefully Shrink Wrapped With Cardboard Backing To Prevent Damage In Shipment – Hand Inspected for Quality.
Easy Unrestricted Air Flow Deflection For Your HVAC System – 1/2 Inch Spaced Fins.

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....
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.

6"w X 4"h Is The Size For The Duct Opening Measurement Only Actual Front End Frame Outer Dimensions Are 7.75"w X 5.75"h - SEE BELOW IN DESCRIPTION HOW....
High Quality Solid Stamped Steel Construction, No Scuff Powder Coat Durable Finish, No Sharp Edges, 2 Recessed Screw Holes On Each Side with Screws....
LOUVERED Supply Grille for Sidewall or Ceiling Application with SmoothGlide Technology, Easy Opening and Closing Back Dampers For Better Airflow....
QUALITY PACKAGING - Carefully Shrink Wrapped With Cardboard Backing To Prevent Damage In Shipment - Hand Inspected for Quality.
Easy Unrestricted Air Flow Deflection For Your HVAC System - 1/2 Inch Spaced Fins.

16″w X 4″h Is The Size For The Duct Opening Measurement Only Actual Front End Frame Outer Dimensions Are 17.75″w X 5.75″h – SEE BELOW IN DESCRIPTION HOW TO MEASURE A GRILLE.
High Quality Solid Stamped Steel Construction, No Scuff Powder Coat Durable Finish, No Sharp Edges, 2 Recessed Screw Holes On Each Side with Screws Included, EASY INSTALLATION.
LOUVERED Supply Grille for Sidewall or Ceiling Application with SmoothGlide Technology, Easy Opening and Closing Back Dampers For Better Airflow Control, Quiet Lever.
QUALITY PACKAGING – Carefully Shrink Wrapped With Cardboard Backing To Prevent Damage In Shipment – Hand Inspected for Quality.
Easy Unrestricted Air Flow Deflection For Your HVAC System – 1/2 Inch Spaced Fins.

Highest Rated Premium Airflow Control Backdraft Dampers - Used Specifically for 5" Duct Size Applications.
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....
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.

12″w X 8″h Is The Size For The Duct Opening Measurement Only Actual Front End Frame Outer Dimensions Are 13.75″w X 9.75″h – SEE BELOW IN DESCRIPTION HOW TO MEASURE A GRILLE.
High Quality Solid Stamped Steel Construction, No Scuff Powder Coat Durable Finish, No Sharp Edges, 2 Recessed Screw Holes On Each Side with Screws Included, EASY INSTALLATION.
LOUVERED Supply Grille for Sidewall or Ceiling Application with SmoothGlide Technology, Easy Opening and Closing Back Dampers For Better Airflow Control, Quiet Lever.
QUALITY PACKAGING – Carefully Shrink Wrapped With Cardboard Backing To Prevent Damage In Shipment – Hand Inspected for Quality.
Easy Unrestricted Air Flow Deflection For Your HVAC System – 1/2 Inch Spaced Fins.

14"w X 6"h Is The Size For The Duct Opening Measurement Only Actual Front End Frame Outer Dimensions Are 15.75"w X 7.75"h - SEE BELOW IN DESCRIPTION HOW TO MEASURE A GRILLE.
High Quality Steel Construction, No Scuff Powder Coat Durable Finish, Smooth, Shiny, Scratch-Resistant, No Sharp Edges, 2 Recessed Screw Holes On Each Side with Screws Included, Screws Same Color As Vent Cover, EASY INSTALLATION.
LOUVERED Adjustable Register Grille for Sidewall or Ceiling Application, Easy Opening and Closing Back Dampers For Better Airflow Control, Quiet and Smooth Control Lever, Noise Free Components.
QUALITY PACKAGING - Carefully Shrink Wrapped With Cardboard Backing To Prevent Damage In Shipment - Hand Inspected for Quality.
EACH INDIVIDUAL FIN IS ADJUSTABLE FOR MAX AIRFLOW CONTROL – Adjust The Fins To Open or Close From the Front - Easy Unrestricted Air Flow Deflection For Your HVAC System.

12″w X 12″h Is The Size For The Duct Opening Measurement Only Actual Front End Frame Outer Dimensions Are 13.75″w X 13.75″h – SEE BELOW IN DESCRIPTION HOW TO MEASURE A GRILLE.
High Quality Steel Construction, No Scuff Powder Coat Durable Finish, Smooth, Shiny, Scratch-Resistant, No Sharp Edges, 2 Recessed Screw Holes On Each Side with Screws Included, Screws Same Color As Vent Cover, EASY INSTALLATION.
LOUVERED Adjustable Register Grille for Sidewall or Ceiling Application, Easy Opening and Closing Back Dampers For Better Airflow Control, Quiet and Smooth Control Lever, Noise Free Components.
QUALITY PACKAGING – Carefully Shrink Wrapped With Cardboard Backing To Prevent Damage In Shipment – Hand Inspected for Quality.
EACH INDIVIDUAL FIN IS ADJUSTABLE FOR MAX AIRFLOW CONTROL – Adjust The Fins To Open or Close From the Front – Easy Unrestricted Air Flow Deflection For Your HVAC System.