Here are some answers to your concerns:

Q: What size of hole needs to be cut?
A: You'll need to cut a 28.5'' x 28.5'' hole to place the fan before installation. Fans can be installed both inside and outside the walls.

Q: Does this fan comes with any accessories?

A: No. Fan Only! No assembly required, and you have to purchase the power switch separately to use it.

• Efficient and Powerful Performance: This exhaust fan boasts an impressive airflow of 2892 CFM (4800 m³/h), operating at a speed of 1400 RPM with just 115 watts of power. The optimal balance between performance and energy efficiency makes it perfect for large-scale ventilation needs.

• Protective Steel Mesh Screen: Equipped with a detachable steel mesh screen, this fan prevents external debris from entering your space. For installation, gloves are included to ensure safe handling, and you can choose whether to use the screen based on your needs.

• Seasonal Auto Shutdown Feature: The louvered fan features an automatic shutdown function that helps conserve energy. When not in use, the fan’s louvers close to prevent heat loss during colder months, ensuring your indoor environment remains at a comfortable temperature.

• Versatile Installation and Low Noise: With a quiet operation, this exhaust fan can be installed in a variety of locations such as garages, attics, workshops, greenhouses, or offices. Its flexible design allows for easy setup, with only the correct installation thickness required.

• Enhanced Durability and Materials: The new model features a complete metal design, including the louvers, mesh cover, fan body, and connecting parts. This ensures greater sturdiness and reduces the chance of deformation during shipping, offering long-term reliability.