14"w X 8"h Aluminum Adjustable Return/Supply HVAC Air Grille Fixed Blades with Damper Looks like it was just

Looks like it was just waxed

3 * Insulation density is 30kgs/CBM = 0

+ Product Details Size – 3"w X 10"h is the size for the duct opening measurement only

no exceptions

If you are looking to enhance your project with a top-of-the-line unit

14"w X 8"h Aluminum Adjustable Return/Supply HVAC Air Grille Fixed Blades with Damper Looks like it was just+ Product Details Size 14"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 85" width X 9. 85" height. High Quality Rigid aluminum construction with counter sunk screw holes (screws included) and no sharp edges. Installation Location Sidewall and ceiling. Design Unrestricted airflow for your HVAC system adjustable one way louver with full horizontal airflow directional control single