Maxx Air Premium 1,300 CFM Gable Mount Power Attic Ventilator in Red as1000wht This unit is easily assembled ICF96 This unit is easily assembled using common household tools and provides 3 powerful speeds and an on off oscillation function for versatile airflow levels pull chain allows for full control of 3 speeds no matter where it's mounted Install is straightforward using the included bracket hardware and requires no special tools to complete This fan is designed to prolong the life of composition roof shingles by lowering summer attic temperatures and helps to protect attic insulation against mold and mildew in the winter by removing moisure filled air