Photo 1 of [30 x 20 Duct Hole] Vent Cover. Aluminum Return Grille HVAC Ceiling or Sidewall Grille Without Damper -Easy Air Flow - Gable Vents. Designed for Extraction of air. [31.6 x 21.6" Face] 30" x 20"

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Photo 1 of [30 x 20 Duct Hole] Vent Cover. Aluminum Return Grille HVAC Ceiling or Sidewall Grille Without Damper -Easy Air Flow - Gable Vents. Designed for Extraction of air. [31.6 x 21.6" Face] 30" x 20"Photo 2 of [30 x 20 Duct Hole] Vent Cover. Aluminum Return Grille HVAC Ceiling or Sidewall Grille Without Damper -Easy Air Flow - Gable Vents. Designed for Extraction of air. [31.6 x 21.6" Face] 30" x 20"