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18-Inch Low-Velocity Automatic Exhaust Shutter
Our Price:$62.94This 18-inch low-velocity automatic exhaust shutter is a rear-flanged, vertical-mount vent accessory for facilities using compatible exhaust fans. It allows air to move horizontally in one direction...
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18-Inch Modular Fixed Louver with Birdscreen
Our Price:$195.94This modular fixed louver is designed for commercial ventilation openings where users need weather protection while allowing airflow. It helps shield openings from rain and weather and includes a...
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18-Inch Non-Oscillating Fan Head Assembly, 2,520 CFM
Our Price:$269.94This 18-inch fan head assembly is for commercial users who need directed airflow from a non-oscillating fan head. It provides up to 2,520 CFM and offers five mounting options for placement...
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18-Inch Rear-Flanged Wall Exhaust Shutter with Aluminum Blades
Our Price:$78.94This rear-flanged wall exhaust shutter is designed for facility teams installing vertical exhaust ventilation. It works with an exhaust fan to open during operation and close when airflow stops,...
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2 ft. x 2 ft. White Plaster Frame for Lay-In Diffusers, 2-Pack
Our Price:$97.94This white plaster frame helps HVAC installers fit a ceiling T-grid lay-in diffuser or grille into plaster or drywall ceilings. It provides a finished mounting frame for 2 ft. x 2 ft. lay-in air...
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2-1/4 in. x 8 in. Fixed-Bar Aluminum Supply/Return Air Grille
Our Price:$46.94This fixed-bar air grille is designed for residential and commercial HVAC supply or return openings. It provides a finished vent cover while allowing air to move through fixed bars.The grille has a...
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2-1/4 x 10 Fixed-Bar Aluminum Supply/Return Air Grille
Our Price:$54.94This fixed-bar air grille is designed for HVAC installers, facility teams, and property owners who need a finished supply or return vent cover. It fits a 2-1/4 x 10 inch opening and provides airflow...
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2-Inch Non-Insulated Flexible HVAC Duct
Our Price:$78.94This 2-inch non-insulated flexible HVAC duct is for contractors and facility teams routing air in heating and cooling systems where insulation is not required. Its flexible design supports...
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2-Point Multi-Port Ventilation Fan, 245 CFM
Our Price:$445.94This multi-port ventilation fan is designed for facility professionals who need to route exhaust from two points to one centrally located fan. Its compact design supports installations where...
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2-Way Adjustable Aluminum Ceiling Diffuser, White, for 12 in. x 12 in. Duct Opening
Our Price:$30.94This 2-way ceiling diffuser directs supply air from a 12 in. x 12 in. duct opening. Facility managers, contractors, and maintenance teams can use it to finish indoor ceiling air-distribution...
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2-Way Air Deflector Cover for 4 Ft. Linear Diffusers
Our Price:$98.94This 2-way air deflector cover is designed for facilities and workplace managers who need to redirect HVAC airflow away from workstations. It helps distribute warm or cool air through the room to...
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2-Way Aluminum Ceiling Diffuser for 10 x 10 in. Duct Openings, White
Our Price:$31.94This white 2-way ceiling diffuser is for commercial buyers who need to direct supplied air from a 10 x 10 in. duct opening. Its adjustable curved blades help users manage air distribution in indoor...
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2-Way Aluminum Ceiling Diffuser, White, for 6 x 6 in. Duct Opening
Our Price:$15.74This 2-way ceiling diffuser is for HVAC installers and facility maintenance teams who need to supply air through a 6 x 6 in. duct opening. Its adjustable curved blades direct air in two directions...
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20 in. Aluminum Rear-Flange Wall Exhaust Shutter
Our Price:$80.94This rear-flange aluminum wall exhaust shutter is designed for commercial ventilation installations using vertical-mount exhaust fans. It helps exhaust fan users manage airflow at a wall opening...
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20 in. Clockwise Aluminum Four-Wing Free-Air Fan Blade, 27° Pitch
Our Price:$89.94This four-wing free-air fan blade is an HVAC replacement component for maintenance teams and commercial buyers maintaining compatible fan assemblies. Its clockwise rotation and interchangeable hub...
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20 in. Diameter 45 Degree Gray Left-Hand Fabric Duct Elbow
Our Price:$229.94This 20-inch-diameter fabric duct elbow is for HVAC and ventilation professionals configuring fabric duct runs that need a 45-degree turn to the left. It directs airflow through a left-hand change in...
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20 in. Diameter x 25 ft. Black Portable Heater Duct
Our Price:$425.94This flexible portable heater duct helps crews direct heated air where it is needed in outdoor work areas. Its 20-inch diameter and 25-foot length provide an extended ducting path for portable heater...
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20 in. Gray Fabric Duct Straight Section with Vents, 750 CFM
Our Price:$385.94This gray fabric duct straight section is for HVAC installers and facility teams building a connected fabric duct run. It helps distribute airflow along a 10-foot section through laser-cut vent holes...
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20 in. Low-Velocity Exhaust Shutter
Our Price:$68.94This low-velocity automatic exhaust shutter is for facilities using compatible exhaust fans. It supports one-way horizontal airflow while helping limit reverse airflow and exposure to outdoor...
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20 in. Three-Wing Condenser Fan Blade with Interchangeable Hub
Our Price:$109.94This three-wing condenser fan blade is for HVAC professionals and maintenance teams working on air-conditioning and heating equipment. It provides a clockwise-rotating fan blade option with an...
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20 in. x 14 in. Aluminum Door Louver
Our Price:$169.94This aluminum door louver is for facility teams and installers who need to transfer air through a door or other barrier. Its inverted V blades support airflow while helping provide privacy.The louver...
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20 in. x 20 in. Aluminum Door Louver
Our Price:$209.94This aluminum door louver is for installers adding an air-transfer opening through a barrier. It is suited for 1-3/8 in. to 2-1/4 in. thick wood or metal doors where airflow and privacy are needed...
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20 in. x 20 in. Surface-Mount Return Air Grille
Our Price:$66.94This surface-mount return air grille is designed for facilities teams and HVAC installers covering return-air openings. Its fan-shaped louvers provide a finished cover for return-air ventilation...
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20 x 12 Aluminum Door Louver
Our Price:$149.94This aluminum door louver helps facilities transfer air through a door or other barrier while maintaining privacy. It is designed for installation in 1-3/8 to 2-1/4 inch thick wood or metal doors.The...
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20 x 16 Aluminum Door Louver
Our Price:$159.94This aluminum door louver helps facilities and commercial buyers transfer air through door barriers while maintaining visual privacy. It is designed for installation in compatible wood or metal doors...
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20 x 20 Steel Door Louver
Our Price:$249.94This steel door louver helps facility managers and contractors transfer air through doors and other barriers while maintaining privacy. It is designed for installation in compatible wood or metal...
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20-Inch 304 Stainless Steel Wall Exhaust Shutter
Our Price:$365.94This wall exhaust shutter is designed for facility teams installing vertical exhaust ventilation in corrosion-resistant environments. It mounts at the wall opening to work with an exhaust fan and...
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20-Inch Aluminum Flanged Motorized Damper
Our Price:$375.94This motorized volume control damper is designed for HVAC professionals managing exhaust or supply airflow. It provides powered opening and spring closing to help control airflow at wall or curb...
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20-Inch Aluminum Four-Wing Free-Air Fan Blade, CCW, 23° Pitch
Our Price:$89.94This four-wing free-air fan blade is a replacement component for HVAC maintenance professionals and commercial facility teams. It provides a counterclockwise-rotating blade option for fan assemblies...
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20-Inch Aluminum Front-Flange Wall Exhaust Shutter
Our Price:$119.94This aluminum wall exhaust shutter is for vertical-mount exhaust ventilation installations where corrosion may be a concern. It provides a front-flange shutter option for cabinet fans and flush-mount...
Fans, Blowers & Ventilation: Find the Right Airflow Solution
Whether you need to exhaust heat from a server cabinet, move air through a greenhouse, or ventilate a confined workspace, this category covers the full range of industrial and commercial airflow equipment. Use the subcategory paths below to narrow your selection by application, environment, and airflow requirement.
Choose your starting point
Popular examples in this category
Airflow Equipment for Every Environment
Fans, blowers, and ventilation equipment move, exhaust, or redirect air in commercial, industrial, agricultural, and residential settings. Applications range from removing humidity in bathrooms to pressurizing airflow in large duct systems, cooling electronics, or maintaining safe air quality in enclosed spaces.
Matching Equipment to Your Airflow Need
Start by identifying your application: exhausting stale air, supplying fresh air, or moving high volumes through ductwork. Then consider CFM requirements, static pressure, mounting constraints, noise limits, and whether the environment is wet, dusty, or hazardous. These factors determine fan type and size.
Where These Products Are Commonly Used
Common uses include greenhouse climate control, bathroom moisture exhaust, cabinet and enclosure cooling, doorway air curtains for temperature separation, confined space safety ventilation, industrial duct systems, and agricultural barn ventilation. Each application calls for a specific fan or blower type.
Installation, Accessories & Airflow Planning
Proper installation and accessories—dampers, blower housings, mounting hardware—directly affect performance and efficiency. Dampers control airflow direction and prevent backdraft. Blower accessories allow system customization. Always verify voltage, mounting orientation, and duct compatibility before ordering.
Which Fan or Blower Subcategory Do You Need?
Match your application to the right subcategory using this quick-reference guide.
| Need | Best Fit | Why It Matters |
|---|---|---|
| Ventilate a greenhouse or barn | Agricultural & Horticultural Fans | Designed for high CFM in open or semi-open structures with exposure to dust and moisture |
| Separate temperature zones at a doorway | Air Curtains | Creates an invisible air barrier to reduce heat transfer and keep conditioned air inside |
| Remove humidity from a bathroom or utility room | Bathroom Exhaust Fans | Sized and rated specifically for moisture-heavy residential and light commercial exhaust |
| Cool electronics or equipment in an enclosure | Cabinet Exhaust Fans | Compact form factors designed to fit standard enclosure cutouts and manage heat buildup |
| Move air through long duct runs or against resistance | Centrifugal Blowers | High static pressure performance makes these ideal for complex duct systems |
| Ventilate a tank, tunnel, or enclosed work area | Confined Space Blowers | Portable and duct-compatible units built to meet safety air change requirements |
| Control airflow direction or prevent backdraft | Dampers | Paired with fans to manage airflow path and stop reverse flow when equipment is off |
Plan the right fit before choosing
Step 1: Define Your Airflow Goal
Before selecting equipment, determine whether you need to supply fresh air, exhaust contaminated or humid air, or circulate air within a space. This single decision narrows your category path significantly and affects whether you need a fan, blower, or a combined ventilation system.
- Supply ventilation: brings outside air in — common in agricultural and commercial settings
- Exhaust ventilation: removes stale, humid, or hazardous air — typical in bathrooms, cabinets, and confined spaces
- Recirculation: moves air within a space without exchanging it — used for temperature equalization
Step 2: Calculate CFM and Static Pressure Requirements
CFM (cubic feet per minute) tells you how much air the unit moves. Static pressure rating tells you how well it performs against resistance in ductwork. Undersizing either spec leads to poor performance. Use room volume, air change rate requirements, and duct length to calculate your minimum CFM before comparing products.
- Bathrooms typically require 1 CFM per square foot of floor area as a baseline
- Confined space blowers must meet OSHA air change requirements for worker safety
- Centrifugal blowers handle high static pressure — ideal for long or complex duct runs
- Agricultural fans prioritize high CFM at low static pressure for open-structure airflow
Step 3: Account for Environment and Installation Constraints
Wet, dusty, corrosive, or explosive environments require fans rated for those conditions. Mounting location — ceiling, wall, inline, or portable — affects which product types are compatible. Confirm electrical requirements (voltage, phase, amperage) and whether dampers or accessories are needed to complete the installation.
- Bathroom exhaust fans require moisture-rated housings and proper CFM for room size
- Cabinet exhaust fans must fit standard enclosure cutout dimensions
- Confined space blowers are often portable and duct-connected for flexibility
- Dampers should be specified alongside fans to prevent reverse airflow when units are off
This category is divided into eight focused subcategories so you can navigate directly to the fan or blower type that fits your specific use case.
Every fan and blower selection should start with CFM for airflow volume and static pressure rating for duct resistance — these two specs determine whether a unit will perform in your system.
Dampers are available as a dedicated subcategory, allowing you to pair fans and blowers with backdraft prevention and directional airflow control components.
Products across this category span indoor, outdoor, wet-rated, and hazardous-location configurations — always verify the environmental rating before purchasing.
Common questions before buying
What is the difference between a fan and a blower?
Fans move large volumes of air at low pressure and are used for general ventilation and circulation. Blowers generate higher static pressure, making them better suited for moving air through ductwork, enclosures, or systems with significant resistance.
How do I know what CFM rating I need?
Calculate the volume of the space in cubic feet, then multiply by the required number of air changes per hour for your application. Divide that result by 60 to get the minimum CFM. For bathrooms, a common rule is 1 CFM per square foot of floor area.
Do I need a damper with my exhaust fan?
In most cases, yes. A damper prevents outside air, pests, and backdraft from entering through the exhaust duct when the fan is not running. Many exhaust fans include a built-in damper, but standalone dampers are available if yours does not.
What should I look for when selecting a confined space blower?
Prioritize CFM output sufficient to meet OSHA air change requirements for the space volume, portability if the unit needs to move between job sites, duct compatibility for directing airflow into the work area, and a durable housing rated for the conditions present.
18-Inch Wall and Ceiling Mount Fan with Yoke Bracket, BlackWB968710
36-Inch Electric Heated Air Curtain, 208V, BlackWBB2117784
80 CFM Quiet Bathroom Exhaust Fan, 120VWBB3192350
36 in Direct-Drive Cabinet Exhaust Fan, 1/2 HP, 11,250 CFM, 3-PhaseWBB2201935