Frost King Aws1837 Wb Marvin Adjustable Window Screen, 18" X 21" - 37"

Upgrade your home ventilation with the Thermwell 18" x 21"-37" Metal Rail Extension Window Screen, designed for easy installation and reliable airflow. This adjustable window screen expands from 21" to 37", making it a versatile solution for various window sizes, including standard and large adjustable window screens. The sturdy wood frame and galvanized metal rails ensure long-lasting durability, while the bright mesh screen wire provides excellent visibility and insect protection. Tenoned corners keep the screen square and stable, and zinc-plated nails offer secure assembly. Ideal for window screen replacement or as an expandable window screen for half windows, this assembled window screen is perfect for those seeking a metal window screen with a wood frame that adjusts to fit your needs. No batteries required, and the lightweight design makes it easy to handle and install. Enjoy fresh air and peace of mind with this reliable, adjustable sliding window screen from Thermwell.

• ADJUSTABLE FIT - Expanding window screen fits most standard window openings, making it ideal for window screen replacement or as an extension window screen for various sizes.
• DURABLE MATERIALS - Constructed with a sturdy wood frame and metal mesh, this assembled window screen offers long-lasting protection and is easy to install in your home.
• EASY INSTALLATION - No tools or batteries required. Simply slide the adjustable window screen into place for quick setup and removal, perfect for renters or frequent movers.
• VERSATILE DESIGN - Suitable for use as a half window screen or adjustable sliding window screen, providing flexible ventilation and insect protection for different window types.
• LIGHTWEIGHT & PORTABLE - Weighs only 1.4 lb and measures 18 in x 21 in, making this expandable window screen easy to move, store, and adjust as needed for small or large windows.