Flooring Grills and Vents PRBAMGR412VC - PR Bamboo Grill4X12 FWF Vertical Carbonized Fits 5/8 Standard Vent- Flush Mount GrillVent lies in its own frame assembly- this style sits flush with any hardwood floor. Provides a seamless and refined appearance to a wood floor that looks truly custom.-Can be used with flooring thicknesses: 3/8- 1/2- 5/8 and 3/4.-Installation with wood flooring is recommended.-Optional metal damper allows personalized airflow regulation.-Frame is permanently mounted to floor- while vent inset is r