Airlette BSP-1 “Stealth” Self Attaching Vent – 25 Pack

For application with Plastic “Shrink Film” coverings. These shrink wrap vents are lightweight, durable, and have all-plastic construction. They eliminate condensation, heat build up, and mildew from trapped moisture. Automatically cuts its own ventilation “hole” during installation. Automatically secures itself to flexible covering materials. Automatically seals itself, preventing the entry of rain and snow. Shelters the vent opening to prevent the entry of bugs. Easily installs in seconds with its simple one-push installation.