4" Air Carbon Filter Odor Control with Australia Virgin Charcoal for Fan W Outer Up for sell is a This VIVOSUN 4 inch Carbon Filter is perfect for controlling odors in your hydroponic setup or exhaust fan. With a filter life of 120 months and made from Australia virgin charcoal, it captures even the toughest of contaminants. Designed for use with air conditioners and exhaust fans, this silver filter comes with 10 energy stars and features carbon fiber filter media. It is sold individually and measures 4 inches in length. See Pics of Actual Item Please do not hesitate to message me if you have any additional questions. Sold as-is, No Returns. Shipping price includes shipping insurance. Tamper labels are placed on item to protect buyer sellers as well. We are a 3rd party seller. We do not represent or imply, in anyway, that we are an authorized seller. The actual item colors may be lighter or darker than the pictures due to lighting, reflection and differences in photography or technologies. If a problem is discovered after the sale, a refund will only be issued if the item(s) are returned. If a problem is found in a single item which is part of a lot, everything must be returned. No exceptions. No partial refunds will be given after the sale. Thanks for looking, Happy Bidding ********NO INTERNATIONAL SHIPPING, LOWER U.S. 48 STATES ONLY******* If you have a problem please contact me first. Please don't immediately open a claim. You MUST contact me within 3 days of delivery or it will be considered a closed auction after that point, Thanks!!