We are International Diversified Marketing, Inc. based in Santa Ana , USA. We are member of Tradekey.com since August, 2007. Our business is related to Construction & Real Estate industry and we specifically deal in Comfort First Filtered Diffuser, Control-A-Flow Draft Eliminator, Breath Easy, Safcord, . Please find our product details below: Comfort First Filtered Diffuser Filtered Air Conditioning Diffusers These filtered diffusers further filter the conditioned air being delivered to occupied spaces from the air handlers. Each individual diffuser has an easily replaceable filter. Additionally the conditioned air is discharged parallel to and at the ceiling in four directions. The amount of air discharged is independently adjustable on each individual side. The outside dimension of the overall assembly is approximately 23 5/8inch by 23 5/8 inch and is designed to drop into a 24 x 24 ceiling grid. The connection to the air conditioning duct system varies in sizes. Thank you for taking the time to go through our business profile. If there are any question, inquiry or comments, please feel free to contact us.