Rectangular Vent Grill, Fits 2-1/2'' x 10'' Opening - Rockler
DIY Wooden Ventilation Grill for shoe cabinet - YouTube
Buy Standard Quality China Wholesale Aluminum Ventilation Grids Air Grills Hole Vent Cover Grille 60*480mm For Kitchen Cabinet Furniture Fittings Hardware $0.65 Direct from Factory at Zhongshan SJ Hardware Co., Ltd.
Air Grille Vent Cover Ventilation Grill Cover Air Vent for Cabinet Shoe Cabinet Louvered Ventilation Grille 300 mm x 80 mm Pack of 2 - Walmart.com
Adjustable Bathroom Ventilation Grilles - Continental Fan