Andersen DH3452 Combination Storm and Screen Unit in White Category_19-11\16 Inch Visible Glass Size This sash has an unobstructed

This sash has an unobstructed glass size of 21-1/2" wide by 28-11/16" High

This part fits on the edge of a removable glazing panel to lock it in place

This sash has an unobstructed glass size of 35 inches wide by 15 15/16 inches high

This conversion kit is for a cottage style window where the bottom sash is larger than the upper sash

Works with 400 Series Tilt-Wash Double-Hung Windows manufactured from 1992 to Present

Andersen DH3452 Combination Storm and Screen Unit in White Category_19-11\16 Inch Visible Glass Size This sash has an unobstructedAndersen DH34252 Combination Storm and Screen Unit White Color Works with Narroline Double Hung (non tilt) windows manufactured from 1968 to 2011. Works with 400 Series Tilt Wash Double Hung windows manufactured from 1992 to Present. The upper panel is stationary and the screen fits below the upper panel. The lower panel is movable to allow for ventilation. Combination units take the place of the screen. This unit takes the place of a screen measuring