F5 Fans 8" Inline Fan

The F5 Fans 8" Inline Fan is a powerful, compact ventilation fan designed for growers and indoor environments that need substantially more airflow than a standard 6 inch setup.

Delivering up to 705 CFM, it provides strong air exchange for larger grow tents, grow rooms, greenhouses, workshops, HVAC applications, and other spaces where heat and humidity can build quickly.

• Airflow: Up to 705 CFM
• Duct Size: 8 Inches
• Technology: High Efficiency Mixed Flow
• Setup: Brackets + 8 Foot Power Cord Included

Its mixed flow design combines strong airflow with improved pressure performance, helping the fan move air efficiently through connected ducting while reducing unnecessary resistance. The aerodynamic housing is engineered to maintain consistent airflow through ventilation runs while keeping operation energy efficient.

Despite its higher output, the F5 8" Inline Fan remains compact and lightweight enough for flexible installation in grow rooms, attics, utility areas, crawl spaces, and other confined locations.

The fan includes mounting brackets and an attached 8 foot power cord, making installation straightforward right out of the box.

Built with durable components and UL recognized internal parts, the F5 8" Inline Fan is a dependable option for users who need serious 8 inch ventilation performance without moving to an oversized commercial blower.

705 CFM Airflow

The F5 8" Inline Fan delivers up to 705 CFM of airflow. This makes it suitable for larger grow tents, grow rooms, greenhouses, propagation spaces, workshops, garages, HVAC applications, equipment cooling, and general air exchange.

Mixed Flow Technology

The fan uses a mixed flow ventilation design that combines characteristics of axial and centrifugal fans. This helps provide strong airflow, improved static pressure performance, better airflow through ducting, efficient intake and exhaust performance, and versatile ventilation use.

Aerodynamic Fan Design

The housing and internal fan geometry are designed to reduce unnecessary air resistance. This helps the fan maintain stronger airflow through connected ducting and ventilation equipment.

Energy Efficient Operation

The internal motor is engineered to provide high airflow while minimizing unnecessary energy consumption. This makes the fan well suited for systems that may run for extended periods.

High Output Internal Motor

The fan uses a high performance internal drive motor designed for reliable continuous ventilation. It provides the power needed to maintain strong airflow in larger 8 inch ducting systems.

Compact 8 Inch Design

The 8 inch format provides significantly more ventilation capacity than smaller inline fans while remaining compact enough for many indoor installations. It can be installed in grow rooms, large grow tents, greenhouses, utility rooms, attics, workshops, ventilation closets, and commercial indoor spaces.

Intake or Exhaust Applications

The fan can be integrated into either intake or exhaust systems. Common configurations include exhausting warm air, bringing fresh air into a room, moving air between spaces, supporting carbon filtration, ventilating equipment areas, and creating negative pressure.

Grow Room Ventilation

The 705 CFM output makes this fan especially useful for larger indoor garden spaces where smaller fans may struggle to maintain air exchange. It can help support heat removal, humidity control, fresh air exchange, negative pressure, and environmental stability. Actual airflow requirements depend on room size, lighting heat load, ducting, filtration, and surrounding environmental conditions.

Grow Tent Ventilation

The 8 inch size can also be used in larger grow tents with compatible ducting ports. When selecting a fan for a tent, consider tent volume, lighting heat, carbon filter resistance, duct length, number of bends, and desired air exchange rate.

Greenhouse and Propagation Use

The F5 8" Inline Fan can provide supplemental airflow for small greenhouses, propagation rooms, seedling areas, indoor plant rooms, and climate controlled growing spaces.

HVAC and General Ventilation

Beyond indoor gardening, the fan can be used for HVAC air circulation, workshop ventilation, garage ventilation, air transfer projects, equipment cooling, residential ventilation, and commercial ventilation.

Durable Construction

The fan is built using durable materials intended for dependable long term operation. The supplied product information also specifies UL recognized components.

Easy Installation

Mounting brackets are included. The fan can be secured within a compatible 8 inch ducting system without requiring a complicated installation process.

8 Foot Power Cord

An attached 8 foot power cord provides flexible positioning and can make it easier to reach nearby electrical outlets.

Recommended Installation Practices

• Confirm all connected ducting is 8 inches.
• Install the fan in the correct airflow direction.
• Secure the fan using the included mounting brackets.
• Support heavy ducting independently.
• Keep duct runs as short as practical.
• Minimize unnecessary bends.
• Keep intake and exhaust openings unobstructed.
• Keep electrical connections dry.
• Clean connected filtration regularly.
• Disconnect power before maintenance.

Ventilation Planning

Installed airflow can be reduced by system resistance. Factors that affect performance include carbon filters, long duct runs, silencers, sharp bends, crushed flexible ducting, intake restrictions, exhaust restrictions, and backdraft dampers. The rated 705 CFM represents maximum fan airflow. Actual installed airflow may be lower.

Ducting Setup

For stronger ventilation performance: use properly sized 8 inch ducting, keep ducting as straight as practical, avoid compressed flexible ducting, minimize sharp turns, secure connections using proper clamps, seal unwanted air leaks, and avoid unnecessary reducers.

Carbon Filter Compatibility

The fan can be paired with compatible 8 inch carbon filtration equipment. When selecting a filter: match the 8 inch connection size, check the filter airflow rating, account for airflow resistance, support the filter independently when appropriate, and clean or replace filtration according to manufacturer instructions.

Negative Pressure Applications

When used as an exhaust fan, the F5 8" Inline Fan can help create negative pressure in enclosed rooms and grow tents. This can help direct air through a controlled intake path and compatible filtration system.

Cleaning and Maintenance

Routine Cleaning

• Disconnect the fan from power.
• Inspect intake and exhaust openings.
• Remove visible dust and debris.
• Inspect connected ducting.
• Clean filters according to their manufacturer instructions.
• Confirm mounting brackets remain secure.

Duct Maintenance

• Inspect flexible ducting periodically.
• Remove obstructions.
• Check clamps and connections.
• Repair damaged sections.
• Straighten unnecessary bends where possible.

Fan Inspection

Periodically inspect fan housing, mounting brackets, power cord, intake opening, exhaust opening, and duct connections. Stop operation if the housing or electrical components show significant damage.

What's Included

• F5 Fans 8" Inline Fan
• Attached 8 Foot Power Cord
• Mounting Brackets