【Universal Design】This window sealing kit fits most portable air conditioner exhaust vents, preventing hot air leakage while maintaining optimal airflows. 3 Insulated Foam Panels. Jewelry Findings |Health & Beauty |Wedding Decoration |Sports and Outdoors |Jewelry & Watches |Clothing, Shoes, Accessories |Other.

【Universal Design】This window sealing kit fits most portable air conditioner exhaust vents, preventing hot air leakage while maintaining optimal airflows. 3 Insulated Foam Panels. 【Energy Saving】Effectively blocks heat from entering the room during ventilation, ensuring lower indoor temperatures and reducing energy costs.