Ryobi Expand-It ZR15519 Blower Attachment For String Trimmers This product is tested & certified by Ryobi to work like-new but may have scuffs, scrapes and dirt. The product includes all original accessories, and is backed by a 1 Year warranty. TRIMMER BASE NOT INCLUDED Generates 150 MPH, 279 CFM Universal mount fits many models of string trimmers Requires no tools or adaptors