- Adjustable fit: Compatible with a wide range of portable air conditioners and clothes dryers. Size range from 25 cm to 232 cm for a customized fit to your door frame. - Effective sealing: Rope-seal design provides a full seal against heat, rain and insects while helping retain cool air inside. - Durable construction: Made from robust materials with double-stitched seams and reinforced patches to withstand daily use and reduce issues like broken zippers over time. - Easy installation: No drilling required. Simply apply the adhesive to the door frame and secure the sealing fabric for a quick setup in minutes. - Use scenarios: - Home or office cooling: vent a portable AC through a doorway to efficiently cool a room while keeping other areas comfortable. - Laundry or utility venting: exhaust a clothes dryer through a doorway while preventing humidity and pests from entering the living space. - Temporary or rental installations: adjust to different door widths without permanent fixtures and remove easily when not needed.