4SEASONS PRO Solar Attic Vent – 400 CFM, Up to 500 sq. ft., 12W Solar Panel, CSA A93 Certified, Hurricane Tested, Polycarbonate Housing — Open-Box, 15% Off

12W MONOCRYSTALLINE SOLAR PANEL – Converts sunlight into power to operate the fan, helping remove heat, moisture, and humidity from the attic. Designed for outdoor use and steep-slope roof applications.

UP TO 400 CFM AIRFLOW – Ventilates attic spaces up to 500 sq. ft., supporting continuous air exchange during daylight hours. Functions as a passive vent after sunset.

WEATHER TESTED & CSA A93 CERTIFIED – Independently tested to meet Canadian standards for safety and durability. TAS 100(A) rated for wind-driven rain and suitable for high-velocity wind zones.

DURABLE POLYCARBONATE HOUSING – Impact-resistant design with integrated flashing to help protect against rain, snow, and outdoor elements.

EASY INSTALLATION – NO WIRING REQUIRED – Fully assembled unit with brushless motor for low-maintenance operation. Designed for contractor-friendly installation on sloped roofs.

Designed specifically for sloped roofs and severe weather conditions, the 4 Seasons PRO Solar Vent’s polycarbonate body will withstand hurricane winds, hail, freezing rain, and more. With a high-efficiency, brushless motor and Japanese ball bearings that eliminate vibration and wear, this motor has a lifespan of 15 years. We build our products using Mono-Crystalline solar panels, one of the highest quality solar cell types in the industry. These efficient solar panels allow our products to work with less than ideal sun exposure. Our solar panels are CSA approved, meeting and exceeding international standards (IEC 61215:2005). The average lifetime of these solar panels is over 25 years. Our PRO model is TAS 100(A) Tested under 110 MPH wind-driven rain (High Velocity Hurricane Zones Testing).