Husqvarna BA101 String Trimmer Blower Attachment in the String Trimmer Attachments department at Lowes.com
Extension Attachment | Husqvarna US
Amazon.com: Kerlista, Replacement Parts Number 537353501,300TA,Outdoor Power Brush Cutter Trimmer Attachment fits for Husqvarna 330LK and RedMax String Trimmers : Patio, Lawn & Garden