Double-Layer Insulated Foam Panels, 3-Pack Insulation Seal Panels for Portable AC Window Vent Seal Kit, Thick Adjustable Insulation Board, Air Conditioner Window Gap Filler

This dual-layer insulation foam panel set is designed to help seal window vent openings for portable AC units and other ventilation setups. The thick foam helps reduce air gaps and can help limit heat transfer, light entry, and outside noise while supporting airflow through the vent. Three adjustable panels can be combined up to 50 in to fit many sliding window vent kits The foam boards can be trimmed for a custom fit and installed with the included double-sided tape.Package includes: 3 x Foam Board, 1 x Double-Sided Tape Roll

• Dual-Layer Insulation Design: Double-layer foam panels help reduce gaps around window vent openings and support airflow through the vent kit.
• Helps Limit Heat, Light and Noise: The 2-layer foam can help reduce heat transfer, reduce light entry, and lower outside noise.
• Adjustable Length up to 50 in: Includes 3 foam panels that can be combined up to 50 in, suitable for many sliding window vent panels
• Easy to Cut and Install: Trim the foam panels to match your window sealing plates; install using the included double-sided tape.
• Wide Compatibility: Works with many portable AC window vent kits, dryer vent kits, and other window ventilation systems for sealing around vent openings.