Aoibox Expandable Window Screen 2 Pack with Aluminum Frame for Double Hung Windows 18 to 49 Inches Wide

Two-Way Sizing Options: Fits horizontally at 18 inches high by 25 inches wide, expanding up to 49 inches wide, or vertically at 25 inches high by 18 inches wide, expanding up

Double-Hung Window Fit: Built for double-hung windows, expanding to span the opening while letting in a steady breeze

Aluminum Frame with Fiberglass Mesh: Combines a high-strength aluminum frame with an 18 by 16 fiberglass mesh weave that resists sagging and keeps its shape over time

Included Adjustment Tool: Comes with a tool to remove the set screws, letting you slide the two screen panels apart and reinsert the guide pieces into the opposite frame channel

Twin-Pack Value: Includes two expandable screens, enough to outfit a second window or keep a spare on hand

Tool-Free Window Setup: Opens into the window frame, expands to the needed width, and closes into place without additional hardware