VIVOSUN 6 Inch Air Carbon Filter Odor Control with Australia Virgin Charcoal for Inline Fan, Grow Tent Odor Scrubber, Pre-Filter Included, Reversible Flange 6"x 18" SUPERIOR CARBON QUALITY: Made of imported Virgin Australian activated charcoal, delivering 100% filtered airflow. 1050+ RC 48 carbon captures three times more air contaminants than average due to optimal surface area per carbon particle. ELIMINATES ODOR AND CHEMICAL IRRITANTS: Protects from chemical irritants and eliminates odors- from pungent indoor grow operations to bathrooms, basements and kitchens. Absorbs odors from pets and smoking as well. EFFECTIVE ODOR CONTROL: Eliminate some of the most undesirable odors, pungent smell and particulates from indoor grow tent, hydroponics grow room. VERSATILE APPLICATIONS: Item can be used as intake or exhaust filter in a variety of setups including use with 6 inch inline fan and duct fans, intake and exhaust fans, air exchange fans, ventilation ducts, and other accessories. PACKAGE INCLUDES: Carbon Filter; Changeable Velcro Pre-filter; Carbon Filter Belts. Dimensions: 6'' x 18'' These items are Customer Returns and Sold as is with No Returns. 801 s Dupont Ave Ste G, Ontario, CA, 91761