Nordic Pure Coupons manufactures NordicPure brand air filters. Be sure to look at the standard sizes we offer before ordering a custom size. Nordic Pure® is an industry leader in the heating and air conditioning filtration market. Consumers throughout North America trust our high-quality, innovative air filter products to improve indoor air quality in homes, commercial buildings, hospitals and manufacturing facilities. Our air filters are available in a multitude of sizes and efficiencies - we even make custom filters to fit unique installations! All Nordic Pure ® brand products are proudly made in the U.S.A. and shipped directly from the manufacturer. Shipping for most products is free within the contiguous United States and all products come with our 100% money-back guarantee.Prime examples of this innovation include being the first manufacturer to introduce an innovative pleated carbon filter to the retail market and creating an eco-friendly product line made from recyclable materials.