This Sash/Counter Balancer is used on Andersen 200 Series Narroline Double-Hung windows manufactured from 1968 to 2012. Andersen 200 Series Narroline Double-Hung. We are an Authorized Distributor for Andersen, Larson, Marvin, Pella, GU Ferco, Hoppe, Emtek, Roto, Milgard, Peachtree, Weathershield, and many more.
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