Opera Omnia ex Editione Burmanniana cum Notis et Interpretatione in Usum Delphini (Latin Edition)

[3 Pack] Fits 20x25 Duct Opening | Steel Return Air Filter Grille by Handua [Fixed Hinged] | Vent Cover Grill for Sidewall and Ceiling | White | Outer Dimensions: 22 5/8"W X 27 5/8"H

[4 Pack] Fits 24x12 Duct Opening | Steel Return Air Filter Grille by Handua [Fixed Hinged] | Vent Cover Grill for Sidewall and Ceiling | White | Outer Dimensions: 26 5/8"W X 14 5/8"H

[2 Pack] Fits 16x20 Duct Opening | Steel Return Air Filter Grille by Handua [Fixed Hinged] | Vent Cover Grill for Sidewall and Ceiling | White | Outer Dimensions: 18 5/8"W X 22 5/8"H

[2 Pack] Fits 24x14 Duct Opening | Steel Return Air Filter Grille by Handua [Fixed Hinged] | Vent Cover Grill for Sidewall and Ceiling | White | Outer Dimensions: 26 5/8"W X 16 5/8"H

[4 Pack] Fits 18x18 Duct Opening | Steel Return Air Filter Grille by Handua [Fixed Hinged] | Vent Cover Grill for Sidewall and Ceiling | White | Outer Dimensions: 20 5/8"W X 20 5/8"H

[3 Pack] Fits 24x18 Duct Opening | Steel Return Air Filter Grille by Handua [Fixed Hinged] | Vent Cover Grill for Sidewall and Ceiling | White | Outer Dimensions: 26 5/8"W X 20 5/8"H

[6 Pack] Fits 14x14 Duct Opening | Steel Return Air Filter Grille by Handua [Fixed Hinged] | Vent Cover Grill for Sidewall and Ceiling | White | Out Dim:: 16 5/8"W X 16 5/8"H

[10 Pack] Fits 16x25 Duct Opening | Steel Return Air Filter Grille by Handua [Fixed Hinged] | Vent Cover Grill for Sidewall and Ceiling | White | Out Dim:: 18 5/8"W X 27 5/8"H