Andersen 3846 Conversion Kit White Interior / White Exterior with High Performance Low-E4 Tempered Glass Product Type_Interior Wood Grilles This screen measures 17-5/32" wide

This screen measures 17-5/32" wide by 54-3/8" high

This sash has a visible glass size of 16 7/16 inches wide by 33 15/16 inches high

Andersen 34210 Double-Hung Full Screen

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Andersen 3846 Conversion Kit White Interior / White Exterior with High Performance Low-E4 Tempered Glass Product Type_Interior Wood Grilles This screen measures 17-5/32" wideAndersen 3846 Conversion Kit for Narroline Windows White Exterior White InteriorThis kit fits an Andersen Narroline window with a visible glass size (lower sash) of 40 7 16 inches wide by 23 15 16 inches high. This kit works with Perma Shield Narroline Double Hung windows manufactured 1968 to Present. A conversion kit is a collection of parts that will convert a non tilting Narroline window into a window that has tilt in sash. Tilt in sash give you