8" x 8" Steel Fixed Bar Return Grille - Sidewall and Ceiling w32h32 + Product Details Size – Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Size – 18" Corner Baseboard Grille - White - HVAC corner vent cover

+ Product Details Size – 18"w X 30"h is the size for the duct opening measurement only

The 1/2" black insulation

+ Product Details Size – 22"w X 29"h is the size for the duct opening measurement only

With a 5" diameter for the duct opening measurement

8" x 8" Steel Fixed Bar Return Grille Sidewall and Ceiling w32h32 + Product Details Size – Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size – 18" Corner Baseboard Grille White HVAC corner vent cover + Product Details Size – 18"w X 30"h is the size for the duct opening measurement only