Centrifugal fans are much stronger than other types of fans. They will push air through long duct runs with little pressure (or cfm) loss and are much, much quieter. EcoPlus fans are ...

Centrifugal fans are much stronger than other types of fans. They will push air through long duct runs with little pressure (or cfm) loss and are much, much quieter. EcoPlus fans are ...

Centrifugal fans are much stronger than other types of fans. They will push air through long duct runs with little pressure (or cfm) loss and are much, much quieter. EcoPlus fans are ...

Centrifugal fans are much stronger than other types of fans. They will push air through long duct runs with little pressure (or cfm) loss and are much, much quieter. EcoPlus fans are ...

These centrifugal fans are much stronger than other types of fans. They will push air through long duct runs with little pressure (or cfm) loss and are much, much quieter. They are perfect ...

These centrifugal fans are much stronger than other types of fans. They will push air through long duct runs with little pressure (or cfm) loss and are much, much quieter. They are perfect ...

These centrifugal fans are much stronger than other types of fans. They will push air through long duct runs with little pressure (or cfm) loss and are much, much quieter. They are perfect ...

These exhaust fans can be mounted "in-line" with your existing duct work with little or no modification and can boost airflow by up to 300 cfm when used as a booster fan (to extend long ...

These exhaust fans can be mounted "in-line" with your existing duct work with little or no modification and can boost airflow by up to 600 cfm when used as a booster fan (to extend long ...

Used to attach duct hose to couplings, adapters, etc. No more sticky, messy duct tape.

Used to attach duct hose to couplings, adapters, etc. No more sticky, messy duct tape.

Used to attach duct hose to couplings, adapters, etc. No more sticky, messy duct tape.

Used to attach duct hose to couplings, adapters, etc. No more sticky, messy duct tape.

Used to connect two pieces of duct hose together. This model has a twist-lock feature that eliminates the need for hose clamps or duct tape, and will work with both plastic and metal ducting.

Used to connect 2 pieces of duct hose together. Works with both plastic and metal ducting.

Insulated ducting helps keep heat from your exhaust system from escaping back into the growing area. If you cover your air-cooled reflector with Astro Foil/Reflectix or some other form of ...

Insulated ducting helps keep heat from your exhaust system from escaping back into the growing area. If you cover your air-cooled reflector with Astro Foil/Reflectix or some other form of ...

Insulated ducting helps keep heat from your exhaust system from escaping back into the growing area. If you cover your air-cooled reflector with Astro Foil/Reflectix or some other form of ...

Got a 6" exhaust fan but the ducting coming off of your air-cooled hood is only 4"? No problem! These galvanized duct adapters can be used with fans, ducting, air-cooled hoods, ventilation systems, ...

Got an 8" "Y" adapter but the ducting coming off of your air-cooled hood is only 6"? No problem! These galvanized duct adapters can be used with fans, ducting, air-cooled hoods, ventilation systems, ...

Got an 10" "Y" adapter but the ducting coming off of your air-cooled hood is only 8"? No problem! These galvanized duct adapters can be used with fans, ducting, air-cooled hoods, ventilation systems,

These galvanized duct adapters can be used with fans, ducting, carbon filters, air-cooled hoods, ventilation systems, and whatever else you can think of to make your life easier.

These normally closed dampers will open when the power is turned on, allowing air to pass. When the power is turned off, the dampers will close. They are most frequently used on the intake port of

These normally closed dampers will open when the power is turned on, allowing air to pass. When the power is turned off, the dampers will close. They are most frequently used on the intake port of

These normally closed dampers will open when the power is turned on, allowing air to pass. When the power is turned off, the dampers will close. They are most frequently used on the intake port of