Fuliko 13" 3" Grille for Round Spiral Duct Galvanized Steel Register Vent Cover for HVAC Ducting 2 Way Louver Blades Air Duct Ventilation Grill

PRECISE SIZE – Outer dimensions are approximately 13.6" by 4.1"; flange connector measures 12.1" by 2.3" for compatibility. Fits round spiral ducts with diameters from 6.29" to 15.74". Screw hole spacing is 10.16" by 3.35". SCREWS ARE INCLUDED. , Material – Constructed from galvanized steel, this sturdy, corrosion-resistant register grille provides strength and extended durability, ensuring dependable in conditions. LOUVERS FOR AIRFLOW – Vertical and horizontal louvered design enables precise airflow , allowing you to air exactly where required for and temperature distribution. Engineered for efficient air supply, circulation, and exhaust uses. DUCT INSTALLATION – The grille' bezel flange conforms snugly to the vent duct' curvature, creating tight seal that prevents air loss. For optimal , duct vent cover size close to your duct' opening for precise . AIR VENT COVER FOR – Engineered specifically for installation in round ducting / spiral duct vents, this HVAC air duct cover ensures efficient airflow for residential and HVAC . Suitable for AC vents, heater and ventilation ducts, offices, and industrial environments.You may also like Fuliko 8" 8" Inch (Inner Dimensions) Galvanized Steel White Soffit Air Vent Cover Louvered Square Gable Vent with Screen Exhaust/Ventilation Grill.