20" x 20" Duct Hole Size Aluminum Return Grille - Rustproof for Ceiling or Wall, No Adjustable Components, Decorative Air Vent Cover, HVAC Return Air Grille, 21.6" x 21.6" Face.

Features

• PROPER SIZING FOR EASY INSTALLATION: Before purchasing, measure your ceiling or wall opening at exactly 20" x 20" to ensure compatibility. The visible face measures 21.6" x 21.6", secure fit and polished finish for your return air grille.
• INDOOR USE ONLY: Designed exclusively for ceiling or sidewall installations, this HVAC return air grille is good for maintaining your home’s climate system. It is not suitable for floor or outdoor applications, making it ideal for interior spaces.
• DURABLE HIGH-GRADE ALUMINUM: Constructed from robust extruded aluminum AA6063, this air vent cover provides strength and long-lasting durability. Ideal for air conditioning systems, it will stand the test of time in your home or office.
• LIGHTWEIGHT AND STABLE DESIGN: The lightweight yet sturdy construction lessens sagging or dislodging, ensuring long-lasting fit. Designed for stability, this return vent cover remains securely in place, offering good performance for your HVAC system.
• REINFORCED STRUCTURAL INTEGRITY: The internal reinforcements at the corners of this vent cover provide additional strength and lessen corner separation. This design ensures durable structural integrity, maintaining a secure installation over time.