General description These 4pcs Floor Register 4x10 Inch covers are designed for heating and air ventilation systems. Made from high-quality iron, they are solid, rust-proof, and built to last. Their contemporary design features clean lines that complement modern home styles, making them a stylish addition to any room. Technical specifications Size: 4 x 10 inches Material: Iron Package includes: 4 floor vent covers Measurement allowed error: +/- 1-3 cm Installation Easy to install in minutes No auxiliary tools required Usage Suitable for most standard air duct openings Enhances airflow in heating and cooling systems Other information Color: Black Note: Light reflection and different displays may cause slight color differences Physical differences in color do not affect functionality