Portable AC Window Seal, Air Conditioner Vent Cloth, Hot Air Backflow Stopper, Waterproof Insulated Aluminum Foil Fabric, Tool-Free Installation Heat Blocking Cover for Mobile Air Conditioner Unit
Portable AC Window Seal, Air Conditioner Vent Cloth, Hot Air Backflow Stopper, Waterproof Insulated Aluminum Foil Fabric, Tool-Free Installation Heat Blocking Cover for Mobile Air Conditioner Unit
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Portable AC Window Seal, Air Conditioner Vent Cloth, Hot Air Backflow Stopper, Waterproof Insulated Aluminum Foil Fabric, Tool-Free Installation Heat Blocking Cover for Mobile Air Conditioner Unit

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Portable AC Window Seal, Air Conditioner Vent Cloth, Hot Air Backflow Stopper, Waterproof Insulated Aluminum Foil Fabric, Tool-Free Installation Heat Blocking Cover for Mobile Air Conditioner UnitPortable AC Window Seal Air Conditioner Vent Cloth Hot Air Backflow Stopper Waterproof Insulated Aluminum Foil Fabric Tool Free Installation Heat BloPortable AC Window Seal Air Conditioner Vent Cloth Hot Air Backflow Stopper Waterproof Insulated Aluminum Foil Fabric Tool Free Installation Heat BloPortable AC Window Seal Air Conditioner Vent Cloth Hot Air Backflow Stopper Waterproof Insulated Aluminum Foil Fabric Tool Free Installation Heat Blo
Actual Color70.87 x 9.84in

Key item features

  • 1. Premium Insulated Aluminum Foil Heat Isolation: This mobile AC window sealing cloth adopts thick quilted aluminum foil composite fabric with fine stitching technology. It delivers excellent heat insulation performance, effectively blocking outdoor hot air infiltration and preventing indoor cold air leakage. It greatly improves the overall cooling efficiency of portable air conditioners, reduces unnecessary power consumption, and realizes energy-saving operation. The upgraded waterproof and sun-resistant fabric resists aging and tearing under long-term sunlight exposure for stable long-term use.
  • 2. Flexible Elastic Hose Adapter Preventing Backflow: Equipped with an elastic drawstring hose sleeve, the window vent cover features strong stretching adaptability, perfectly fitting 5.9-inch to 7.09-inch diameter AC exhaust hoses compatible with most mainstream mobile air conditioners. The tight wrapping design creates an airtight sealing effect at the hose interface, thoroughly solving the common hot air backflow problem caused by loose hose gaps and avoiding cooling failure and efficiency loss.
  • 3. Adjustable Size Fits Various Sliding Windows: Available in multiple upgraded sizes including 9.84x39.37in, 70.87x9.84in and 98.43x9.84in, this sealing cloth is universally suitable for vertical sliding windows, horizontal sliding windows and balcony sliding doors. Users can freely adjust the installation length according to actual window dimensions without complicated cutting or auxiliary tools. Matched with thickened sealing strips, it fully fills window gaps to form a fully enclosed heat insulation space.
  • 4. Tool-Free Installation & Reusable Damage-Free Design: No drilling, no glue and no permanent window modification are required during installation. Simply fix the sealing cloth on the window track, pass the AC exhaust hose through the reserved interface, and fasten the elastic drawstring to complete assembly within minutes. The lightweight foldable structure supports quick disassembly, convenient storage and repeated seasonal use, making it extremely suitable for rental houses and temporary living spaces.
  • 5. Reinforced Stitching & Multi-Scenario Application: Adopting exquisite diamond lattice reinforced stitching technology, the overall structural stability is greatly enhanced to effectively prevent fabric deformation and loosening after long-term repeated use. The outer aluminum foil layer can block ultraviolet rays and reduce indoor temperature rise under direct sunlight. It is widely applicable for home bedrooms, apartments, offices, rental rooms and various temporary living spaces to create a comfortable constant-temperature indoor environment.

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