14"W X 20"H [Duct Opening] ALUMINUM RETURN GRILLE - EASY AIR FLOW - LINEAR BAR GRILLES [OUTER DIMENSIONS: 15.875"W X 21.875"H] Aluminum High Quality Aluminum – The

High Quality Aluminum – The premium durable aluminum will never rust and it will never wear through leaving the material with an elegant

Filter Size - 31

Design – Removable door/face for easy filter change & cleaning - uses a 1" thick filter

Adjustable airflow control – Adjustable airflow control: The system allows users to customize the amount of air supply

14"W X 20"H [Duct Opening] ALUMINUM RETURN GRILLE - EASY AIR FLOW - LINEAR BAR GRILLES [OUTER DIMENSIONS: 15.875"W X 21.875"H] Aluminum High Quality Aluminum – The+ Product Details Size 14"w X 20"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 875" width X 21. 875" height. High Quality High quality aluminum with counter sunk screw holes (screws included) and no sharp edges. Design Unrestricted airflow For Your HVAC system noise free components no vibrating louvers etc. Powder Coat Finish Smooth, shiny, scratch resistant, beautiful. Looks like it was