10pcs Round cabinet Air duct Vent Dia.19mm-53mm Steel Louver Mesh Hole plug decoration cover Wardrobe grille ventilation systems

Features:
100% Brand new and amp; High quality
Durable stainless steel material, silver tone color, round shape, mesh holes design.  
Can make the wind easily flow into the spaces where you are staying.
Used to install in such places as offices, conference rooms, auditoriums, concert halls, etc.
Bottom diameter: 19mm, 25mm, 29mm, 35mm, 53mm
35 double-sided vents (can be clipped 12-18mm)
Type: Flat surface, Convex surface

Package includes:
10pcs x Air Vent Hole Ventilation Louver

Tip:
In addition to silver and black, if you need black, you can contact customer service.