Dawnthief: Chronicles of the Raven 1

[3 Pack] Fits 20x12 Duct Opening | Steel Return Air Filter Grille by Handua [Removable Door] for 1-inch Filters | Vent Cover Grill | White | Easy-to-Use Plastic Latches | Out Dim: 22 5/8"W X 14 5/8"H

[2 Pack] Fits 20x12 Duct Opening | Steel Return Air Filter Grille by Handua [Removable Door] for 1-inch Filters | Vent Cover Grill | White | Easy-to-Use Plastic Latches | Out Dim: 22 5/8"W X 14 5/8"H

[2 Pack] Fits 20x14 Duct Opening | Steel Return Air Filter Grille by Handua [Removable Door] for 1-inch Filters | Vent Cover Grill | White | Easy-to-Use Plastic Latches | Out Dim: 22 5/8"W X 16 5/8"H

[10 Pack] Fits 14x14 Duct Opening | Steel Return Air Filter Grille by Handua [Removable Door] for 1-inch Filters | Vent Cover Grill | White | Easy-to-Use Plastic Latches | Out Dim: 16 5/8"W X 15 5/8"H

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

[10 Pack] Fits 20x12 Duct Opening | Steel Return Air Filter Grille by Handua [Removable Door] for 1-inch Filters | Vent Cover Grill | White | Easy-to-Use Plastic Latches | Out Dim: 22 5/8"W X 14 5/8"H

[4 Pack] Fits 20x10 Duct Opening | Steel Return Air Filter Grille by Handua [Removable Door] for 1-inch Filters | Vent Cover Grill | White | Easy-to-Use Plastic Latches | Out Dim: 22 5/8"W X 12 5/8"H

[4 Pack] Fits 16x25 Duct Opening | Steel Return Air Filter Grille by Handua [Removable Door] for 1-inch Filters | Vent Cover Grill | White | Easy-to-Use Plastic Latches | Out Dim: 18 5/8"W X 27 5/8"H