12" x 14" or 14" x 12" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 14.5" X 16.5"] Black this guard ensures long-lasting protection Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

this guard ensures long-lasting protection and security

The 1/2" white insulation

+ Product Details Size - 10"w X 6"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 26 5/8" width X 10 5/8" height -

Actual Filter Size – 17 3/4"w x 7 3/4" x 1"

12" x 14" or 14" x 12" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Aluminum White [Outer Dimensions: 14.5" X 16.5"] Black this guard ensures long lasting protection Compatible With Duct 7in Applications This sheet metal DDAG A 1212 this guard ensures long lasting protection and security The 1 2" white insulation