Uxcell Square Air Vent Cover 15.7 x 15.7 inch, 2pcs Plastic Air Return Grille for Home Office Ventilation, White

Overall size: 40 x 40cm / 15.7 x 15.7 inch(W*L) Suitable for opening size: 33 x 33cm to 36.5 x 36.5cm / 13 x 13 Inch x 14.3 x 14.3 inch Screw hole distance: 37.5cm / 14.8 inch Height: 3.5cm / 1.38 inch Package includes:2 x square air vent covers.