Fits 16x16 Duct Opening Stamped Steel Return Air Grille Vent Cover Grille for Sidewall and Ceiling in White Surface Dimensions: 17.75"W X 17.75"H (16" W x 16" H Duct Opening) Adjustable blade allows all direction

Adjustable blade allows all direction air deflection horizontally

The Listed size 14"x 8" is for inside duct opening measurement

Built in magnets on each side for easy installation

Size Selection Guide

Screws are included for easy installation

Fits 16x16 Duct Opening Stamped Steel Return Air Grille Vent Cover Grille for Sidewall and Ceiling in White Surface Dimensions: 17.75"W X 17.75"H (16" W x 16" H Duct Opening) Adjustable blade allows all directionThe Listed size 16"x16" is for inside duct opening measurement, actual outside dimension is 17. 75"x17. 75" Stamped Face Steel Construction with 1 2" fin spacing for high air flow applications. Screws are included for easy installation White Powder coating with matte finish Individually packed with cardboard box for ultra protection