The 3M Filtrete F1 True HEPA Premium Air Filter is a high-quality furnace filter designed to improve indoor air quality. With a True HEPA filtration technology, this filter is effective at removing airborne particles and allergens, providing clean and fresh air for your home. Made with a durable plastic filter frame and microfiber filter media, this filter is designed to last for up to 6 months. The compact size of 12 inches in length, 7 inches in width, and 1.75 inches in depth makes it easy to install and use in your furnace system. Ideal for maintaining a healthy and comfortable living environment. IM VERY SORRY I CANT SHIP THIS ITEM TO PUERTO RICO HAWAII AND ALASKA ANY ISLANDS APO ADDRESSES