MKISHINE 400cm /157 inches Universal Window Seal Kit for Portable AC, Hot Air Prevention with Zipper Design, No Drilling Required

Transform your home's comfort with this universal 400cm window seal kit designed specifically for portable air conditioners. This innovative sealing solution features a convenient zipper design that makes installation a breeze - no drilling or permanent modifications required. The seal effectively blocks hot air from entering your space while allowing your portable AC unit's exhaust hose to pass through. Perfect for various window types and sizes, the seal helps maintain optimal indoor temperature by preventing warm air infiltration. The flexible design accommodates window perimeters up to 400cm total, making it suitable for most standard windows. The zipper mechanism allows easy access when needed while maintaining a secure seal when closed. This practical solution helps maximize your portable air conditioner's efficiency by creating a proper seal around the exhaust hose, ensuring your cooling efforts aren't wasted by letting hot air sneak back inside.

• Hang the air hose from the air conditioner and tumble dryer out of the window. Attach and remove the textile seal for tilted windows: is attached by Velcro. Keeps the outside air as well as the exhaust air of the devices from penetration.
• EASY INSTALLATION: Features a self-adhesive zip closure system that requires no drilling, tools, or permanent modifications to your windows
• EFFECTIVE SEALING: Creates an airtight barrier that prevents hot air from entering while allowing your portable AC unit to function efficiently
• DURABLE DESIGN: Constructed with heavy-duty fabric material that withstands repeated use and various weather conditions
• Hot Air Stop is suitable for all standard window sizes, whose total circulation size does not exceed 400 cm. Keeps the outside air as well as the exhaust air of the devices from entering