16" X 20" Steel Return Air Filter Grille for 1" Filter - Removable Frame - Black - [Outer Dimensions: 18 5/8" X 22 5/8"] Filter Grille Actual Filter Size – 7 Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

Actual Filter Size – 7 3/4"w x 15 3/4" x 1"

+ Product Description Introducing our 18" Wooden Corner Baseboard Grille - a sophisticated addition to elevate your HVAC system and interior decor

Installation Location – Ceiling

+ Product Details Size - 28"w X 30"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 10 5/8" width X 16 5/8" height

16" X 20" Steel Return Air Filter Grille for 1" Filter Removable Frame Black [Outer Dimensions: 18 5 8" X 22 5 8"] Filter Grille Actual Filter Size – 7 Compatible With Duct 7in Applications This sheet metal DDAG A 1212 Actual Filter Size – 7 3 4"w x 15 3 4" x 1" + Product Description Introducing our 18" Wooden Corner Baseboard Grille a sophisticated addition to elevate your HVAC system and interior decor