Feature●TURBINE ATTACHMENT - our best in class turbine creates negative pressure in the ventilation system, to provide unrivaled air flow●PRODUCT DURABILITY - AND RESISTANCE this product is made of the highest quality polypropylene to make sure that not only it reaches you in perfect condition, but it stays that way for year to come●BALL BEARINGS - the turbine is mounted on a special bearing system that is encased in the highest quality oil. Our specially developed system guarantees the best product life in the long term●TWO SHAPES OF THE TURBINE HEAD - based on the specification of the customer choose from either round or oblong shapes, meaning it will look stunning on all homesDescription Our best in class vertical turbine vent is designed to negate pressure in the ventilation system to provide unrivaled air flow. Light, aerodynamically designed turbine provides function in light wind. The turbine is mounted on a special two-bearing system that is encased in the highest quality oil. Built in bubble levels ensure precise vertical positioning on install, saving time and money. Available in a variety of colors to look perfect on any roof and suitable for existing 6" pipe. Made of UV-resistant polypropylene. Check out our Additional accessories and Related products.