6" x 34" or 34" x 6" Cube Core Eggcrate Return Air Grille Color_Black + Product Details Size - Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Size - 8"w X 28"h is the size for the duct opening measurement only

High Quality Aluminum – The premium durable aluminum will never rust and it will never wear through leaving the material with an elegant

Actual Filter Size – 33 3/4"w x 27 3/4" x 1"

Actual Filter Size – 17 3/4"w x 15 3/4" x 1"

actual front end outer dimensions are approximately 36 5/8" width X 20 5/8" height

6" x 34" or 34" x 6" Cube Core Eggcrate Return Air Grille Color_Black + Product Details Size Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size 8"w X 28"h is the size for the duct opening measurement only High Quality Aluminum – The premium durable aluminum will never rust and it will never wear through leaving the material with an elegant