We are one of the best manufacturers of air filters in China. Our team not only can provide the filters with good quality, but also can provide strong technical support for customers in the design, stage, regarding Air Purifier/Fresh Air Machine/Medical Equipment and etc. we have professional experience for producing following products: Ozone removal filter, VOC removal filter, photocatalyst filter, grease filter, activated carbon. Know more us by email sales08@trustifiltor.com,or visit our web www.trustifiltor.com.