Properly ventilating your attic is one of the best ways to increase the longevity and performance of your roof. As part of a VentSure® Balanced Air Ventilation System of intake and exhaust, the VentSure® InFlow® Vent helps reduce heat and moisture buildup that can lead to ice damming and roof deterioration. The InFlow® Vent is an ideal solution for roofs without soffits or used as a supplemental intake on roofs requiring additional ventilation. Keeping your attic well-ventilated may even reduce your energy costs.* Durable construction for long-lasting performance. A bottom-intake design that helps protect against wind-driven rain up to 110 MPH. An ideal solution for soffit-less, exposed-rafter homes and homes without adequate air intake. Helps minimize the impact of ice damming. Blends into roofline with a low-profile design. Complements VentSure® Ridge Vents for balanced intake and exhaust.