Andersen 18510 Tilt Wash Double Hung Screen Screen Type:Truscene This screen measures 31-7/8" wide

This screen measures 31-7/8" wide by 62-27/32" high

This sash has an unobstructed glass size of 25 inches wide by 15 15/16 inches high

This screen measures 35-7/8" wide by 38-27/32" high

If the sash is stationary and non operating you will need sash clips for replacement

Andersen 26310 Double-Hung Full Screen

Andersen 18510 Tilt Wash Double Hung Screen Screen Type:Truscene This screen measures 31-7/8" wideAndersen 18510 Double Hung Full Screen Works with 400 Series Tilt Wash windows manufactured from 1992 to Present. Available in Standard or TruScene screens. The replacement screen has a center support bar. This screen measures 19 7 8" wide by 70 27 32" high.