General description The 90x210 CM Sliding Door Seal is designed for portable air conditioners and tumble dryers, effectively exhausting hot air from your room while preventing insects and mosquitoes from entering. This innovative door seal enhances cooling performance by sealing your door and directing ventilation outside, allowing your air conditioning unit to cool your space more efficiently. Technical specifications Dimensions: 90 x 210 CM Compatibility: Suitable for all portable air conditioners and tumble dryers with single or double exhaust hoses Installation No drilling required Simply stick the fabric to the inside of the door frame Pinch the air hose into the window seal using the zipper Lock the hose with a cable tie to direct airflow outside Usage Exhausts hot air from the room Prevents insects and mosquitoes from entering Improves cooling performance and reduces energy consumption