The Secret Garden (Junior Classics for Young Readers)

[4 Pack] Fits 24x12 Duct Opening | Steel Return Air Filter Grille by Handua [Removable Door] for 1-inch Filters | Vent Cover Grill | White | HVAC Cold Air Intake Grille | Out Dim: 26 5/8"W X 14 5/8"H

[2 Pack] Fits 30x20 Duct Opening | Steel Return Air Filter Grille by Handua [Removable Door] for 1-inch Filters | Vent Cover Grill | White | HVAC Cold Air Intake Grille | Out Dim: 32 5/8"W X 22 5/8"H

[3 Pack] Fits 20x14 Duct Opening | Steel Return Air Filter Grille by Handua [Removable Door] for 1-inch Filters | Vent Cover Grill | White | HVAC Cold Air Intake Grille | Out Dim: 22 5/8"W X 16 5/8"H

[2 Pack] Fits 14x30 Duct Opening | Steel Return Air Filter Grille by Handua [Removable Door] for 1-inch Filters | Vent Cover Grill | White | HVAC Cold Air Intake Grille | Out Dim: 16 5/8"W X 32 5/8"H

[3 Pack] Fits 14x24 Duct Opening | Steel Return Air Filter Grille by Handua [Removable Door] for 1-inch Filters | Vent Cover Grill | White | HVAC Cold Air Intake Grille | Out Dim: 16 5/8"W X 26 5/8"H

[4 Pack] Fits 14x30 Duct Opening | Steel Return Air Filter Grille by Handua [Removable Door] for 1-inch Filters | Vent Cover Grill | White | HVAC Cold Air Intake Grille | Out Dim: 16 5/8"W X 32 5/8"H

[4 Pack] Fits 14x24 Duct Opening | Steel Return Air Filter Grille by Handua [Removable Door] for 1-inch Filters | Vent Cover Grill | White | HVAC Cold Air Intake Grille | Out Dim: 16 5/8"W X 26 5/8"H

[4 Pack] Fits 20x14 Duct Opening | Steel Return Air Filter Grille by Handua [Removable Door] for 1-inch Filters | Vent Cover Grill | White | HVAC Cold Air Intake Grille | Out Dim: 22 5/8"W X 16 5/8"H