The market leader in safe dryer vents: -free double-door dryer vent covers eliminate airflow obstructions and lint buildup caused by birds. Unlike other vent covers, its unique design fully complies with building codes, greatly reducing the risk of home fires. Enhanced energy saving: The double-door design blocks airflow to energy is not robbed, experience the cost-saving advantage immediately. It includes a magnetic fixing system that prevents the door from flapping in windy conditions and seals tightly against insects and rodents for superior home protection. Unprecedented Efficiency: Unique two-door architecture not only prevents lint buildup but also enhances exhaust airflow to dry clothes faster. Enjoy greater drying efficiency, time savings, reduced utility bills and optimal dryer performance. BUILDING CODES COMPLIANT: The outdoor dryer vent cover eliminates traditional lint collection nets that pose a fire hazard and complies with all relevant building codes, providing a safe and secure option for your laundry vent. Colour:White Material:Plastic Package Contents: 2 * Free Vent Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.