Andersen Perma-Shield Narroline Window Counter Balancer Left Hand #L10/1827
We are an Authorized Distributor for Andersen, Larson, Marvin, Pella, GU Ferco, Hoppe, Emtek, Roto, Milgard, Peachtree, Weathershield, and many more. Balancer maintains the position of the window sash.