MASTER FLOW WI-FI POWER ATTIC VENT LIMITED WARRANTY ® Congratulations! Thank you for purchasing a GAF Master Flow® Power Attic Vent - Roof Mount Wi-Fi Attic Vent or GAF Master Flow® Power Attic Vent Gable Mount Wi-Fi Attic Vent (the “Fan”). While many factors can affect how long your Fan will last, this GAF Master Flow® Wi-Fi Power Attic Vent Limited Warranty covers your Fan in the unlikely event that it contains a manufacturing defect.
