Efficient window seal for air conditioners and window gaps Purpose and performance: Reduces air leaks around window openings and AC units, helping lower energy use and stabilize indoor climate with a tight, temperaturetolerant seal. Compatibility: Works with most casement and roof windows; adaptable to a variety of residential and office window styles. Easy installation: Peelandstick design enables quick, tool setup. Durable enough for repeated use. Material and durability: Made from a density foam sponge that maintains shape and sealing performance across temperature changes for longlasting service. Size and fit: Designed to fit typical window gaps. Use scenarios: After installing a window AC unit, seal the gap between the unit and the window to improve cooling efficiency and reduce drafts. Seal drafts in rooms with singlepane or aging windows to save energy in winter and keep interiors cooler in summer. Temporary installations for rentals or renovations: install quickly and reapply as needed.