Designed for retrofit-style mounting applications, the AB-6553 offers easy installation behind any properly sized passive vent.  Engineered with third generation performance upgrades, the AB-6553 model series fans feature a powerful 65 watt remote mounted solar panel capable of delivering up to 2150 CFM of airflow in full sun exposure.  And of course, the AB-6553 model fans come standard with Attic Breeze's industry leading LIFETIME WARRANTY.