16"x25" Stamped Face Steel Filter Return Grille Vent Cover White Poweder Coating with Frame Outside Dimension 18.6"x27.6" allowing you to effortlessly adjust

allowing you to effortlessly adjust the intensity of air entering the room

The Listed size 6'' x 6'' is for inside duct opening measurement

The Listed size 6"x12" is for inside duct opening measurement

Acting as a reliable safeguard

If your duct opening size is 10” x 8”

16"x25" Stamped Face Steel Filter Return Grille Vent Cover White Poweder Coating with Frame Outside Dimension 18.6"x27.6" allowing you to effortlessly adjustThe listed size 16"x25" is for inside duct opening measurement, actual overall outside dimension is 18. 6"x27. 6" Stamped face steel construction with 1 2" fin spacing for high air flow Screws are included for easy installation White powder coating with matte finish Individually packed with cardboard box for ultra protection Size Selection Guide Measure the size of the air duct opening(the size of the hole ). Select the listed size that match the duct