Snap-Z™ ridge roof vent system is specifically designed to keep the attic area cool and help maintain the proper humidity balance. This ridge roof vent system is made for standing seam metal roofs only. The Snap Z™ system is easy to install and is available in three separate models. It offers a clean and neat appearance to the metal ridge roof vent that will complement any type of roof. Their patented vented closure systems are sold to dealers and distributors.