FLYZZZ Adjustable Window Screen for Hung Windows, White Expandable Horizontal Sliding Screen, 16" H x 21-40" W with Black Fiberglass Mesh Removable Window Screen Replacement,1-Pack

INSTANT FRESH AIR FOR YOUR HOME Perfect for standard single and double-hung window, this adjustable window screen installs in seconds with no tools. Simply place it in the window track, expand it to fit the width, and lower your window to secure it in place. | DESIGNED FOR HUNG WINDOWS A PERFECT, STABLE FIT: IMPORTANT: This adjustable screens for windows has a FIXED HEIGHT and EXPANDS HORIZONTALLY. It is engineered specifically to be placed horizontally in the track of a vertically-opening window. It CANNOT be turned sideways for use in sliding windows. This specialized design provides a far more stable, | CHOOSE THE RIGHT HEIGHT Getting a perfect seal is easy. PLEASE MEASURE THE HEIGHT OF YOUR WINDOW OPENING BEFORE ORDERING.This Size is Size M (16" High): Fits openings smaller 16"H. Expands 21" to 40" W. | STURDY FRAME & TIGHT-WEAVE MESH Built for season after season of use. Unlike flimsy alternatives, our expandable window screens feature a robust aluminum frame that resists bending. The fine fiberglass mesh effectively blocks insects while allowing excellent airflow and visibility. This is a durable window screen replacement you can rely on. | SEALED EDGES FOR A BUG-FREE HOME our window screens for house windows keep unwanted guests out for good. The top and bottom edges of the screen frame are lined with a fuzzy seal strip (weatherstripping), which creates a tight, secure seal against your window sill and the bottom of the window sash. Enjoy the fresh air with complete peace of mind.