Unique Bargains - 4x12 Inch Floor Vent Covers, 4pcs Heavy Duty Metal Walkable Air Vent Covers, Adjustable Air Supply Lever for Home Office - Black

These Floor Vent registers are great for floor, ceiling, or wall vents in homes, restaurants, kitchens, living rooms, bedrooms, RVs, offices, and hotels. Fit for most standard duct openings in air conditioning, heating, cooling, and all types of HVAC systems to maintain smooth air.