The AIRCARE Air-Care 18x20x1 Flexible Permanent Electrostatic Washable MERV 8 Air Filter is designed for superior air quality management in your home. With its high arrestance and low resistance, this filter effectively traps airborne particles while maintaining optimal airflow. Constructed from anti-microbial materials, it helps to retard mold and bacteria growth, making it a healthier choice for your indoor environment. Sized according to industry standards, it is easy to replace conventional disposable filters, providing an eco-friendly solution that lasts.