View 1 of Advanced Aluminum Return Grille - 18x8 Inch Ceiling or Wall Vent Cover - Rustproof- Fixed Blades- No Louver, No Filter, Without Damper.[Front Grille Size: 19.6" x 9.6"][Duct Hole Size: 18" x 8"]

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View 1 of Advanced Aluminum Return Grille - 18x8 Inch Ceiling or Wall Vent Cover - Rustproof- Fixed Blades- No Louver, No Filter, Without Damper.[Front Grille Size: 19.6" x 9.6"][Duct Hole Size: 18" x 8"]View 2 of Advanced Aluminum Return Grille - 18x8 Inch Ceiling or Wall Vent Cover - Rustproof- Fixed Blades- No Louver, No Filter, Without Damper.[Front Grille Size: 19.6" x 9.6"][Duct Hole Size: 18" x 8"]