Double Layer Insulation Foam Panels, Portable Air Conditioner Window Vent Kit, Adjustable AC Window Seal Panels for Seal Heat, Fill Gap & Noise from Outside(3-Pack)
Dual-Layer Insulation Design: The double-layer foam panels help block outside heat while maintaining cool indoor airflow when using window vent kits, and this insulation foam board can keeping rooms comfortable during hot weather.
Compatible with Most Portable AC Vent Kits:Our insulation foam board Ideal for portable AC window vent kits, dryer vent kits, and other window ventilation systems, helping improve insulation around vent openings.
Adjustable Length up to 50 in: These portable ac window insulated foam boards Include 3 foam panels that can be combined for a maximum expandable up to 50 inches, fitting most sliding window vent panels on the market.
Heat, Light & Noise Blocking: The 2-layer insulation foam helps reduce heat transfer while also blocking sunlight and outside noise, improving indoor comfort and energy efficiency.
Easy to Cut & Install: Simply trim the foam insulation board to match your existing window sealing plates. Installation is quick and convenient with the included double-sided tape.