Aprilaire model 2140 media air cleaner. Air cleaner housing is 10" wide x 28.5" long x 17.75 tall. Comes with filter.Recomended max air flow is 2000 cfm. Replacement filter is aprilaire #104.  Items are new and unused in original box. PPlease, message us with any questions. We ship nationwide. Minnesota residents will be charged sales tax.