14" X 14" [Duct Opening] 4-Way Air Vent Adjustable Aluminum Curved Blades Integral Multi-Shutter Damper HVAC Diffuser [Outer Dimensions: 15.75"W X 15.75"H] Return Grille Actual Filter Size – 15

Actual Filter Size – 15 3/4"w x 17 3/4" x 1"

This grille is ideal for both sidewall and ceiling installations

the actual front end outer dimensions are 8" in diameter

Easy Installation – Includes all necessary screws for quick and hassle-free setup

[Outer Dimensions: 16

14" X 14" [Duct Opening] 4-Way Air Vent Adjustable Aluminum Curved Blades Integral Multi-Shutter Damper HVAC Diffuser [Outer Dimensions: 15.75"W X 15.75"H] Return Grille Actual Filter Size – 15+ Product Details Size 14"w X 14"h is the size for the duct opening measurement only, actual front end outer dimensions are 15. 75" width X 15. 75" height. Design Individually adjusting curved blades. Multi shutter damper with handle operator to adjust air flow. Screws Included High Quality Aluminum The premium durable aluminum will never rust and it will never wear through leaving the material with an elegant, beautiful, and smooth surface, adds a