Theses screens are sold individually and are for Lincoln casement windows manufactured from March 2004 to present . These screens have a lift rail at the bottom and leaf spring at the top. These are manufactured to order, no returns. Usually ships in 5-6 weeks.
IMPORTANT: THERE ARE 4 DIFFERENT OPTIONS AVAILABLE ON LINE SO IT IS IMPORTANT THAT YOU MAKE SURE YOU MATCH UP THE SCREEN WIDTH < HEIGHT<THICKNESS<AND YEAR AS THESE ARE MADE TO ORDER AND NOT RETURNABLE