Universal Fit Window Stopper: Snap-in design easily installs into double hung windows , fitting various vinyl wall thicknesses.Fit slot size: Designed with 0.285x1.875 slot size for compatibility with standard home windows, model 1754, ensuring snug attachment.
Effective Opening Vent Device: Limits window sash openings to secure positions, preventing accidents while allowing fresh air flow and adjustable ventilation.
Durable Plastic Construction: White high-strength material resists weathering and UV damage, providing reliable long-term window opening security.
Convenient 4-Pack Value: Includes versatile window stoppers for multiple installations, optimizing home safety and airflow management across rooms.
After-sales: If you have any questions about the product, or have any questions after receiving the product, Please be sure to contact us first! We will try our best to solve the problem for you!