This Second Nature pleated air filter is a high-quality product made in the United States. It has a MERV rating of 8 and features electrostatic filtration technology. The filter media is made of synthetic material and has a filter life of up to 3 months.The filter measures 14 inches in length and 20 inches in width, with a diameter of 1 inch. It is designed for use in air conditioners and is a great choice for improving indoor air quality and keeping your HVAC system running smoothly. The filter comes in a convenient snap-fold design for easy installation and removal.