Photo 1 of [18 x 8 Duct Hole] Aluminum Ceiling Air Vent Covers & Wall Grille - Easy Air Flow, AC Return Vent Cover, Vent Duct Cover for HVAC - Without Damper. Rust-Free, White. [19.6 x 9.6" Face] 18" x 8"

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Photo 1 of [18 x 8 Duct Hole] Aluminum Ceiling Air Vent Covers & Wall Grille - Easy Air Flow, AC Return Vent Cover, Vent Duct Cover for HVAC - Without Damper. Rust-Free, White. [19.6 x 9.6" Face] 18" x 8"Photo 2 of [18 x 8 Duct Hole] Aluminum Ceiling Air Vent Covers & Wall Grille - Easy Air Flow, AC Return Vent Cover, Vent Duct Cover for HVAC - Without Damper. Rust-Free, White. [19.6 x 9.6" Face] 18" x 8"Photo 3 of [18 x 8 Duct Hole] Aluminum Ceiling Air Vent Covers & Wall Grille - Easy Air Flow, AC Return Vent Cover, Vent Duct Cover for HVAC - Without Damper. Rust-Free, White. [19.6 x 9.6" Face] 18" x 8"