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FAQ Section

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What is the purpose of the light trap on this exhaust fan? \n
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The light trap dramatically reduces light penetration while allowing airflow, helping maintain strict light-deprivation cycles for controlled growth.
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How effective is the light reduction? \n
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The integrated light trap provides a 1.5 million:1 light reduction factor, minimizing unwanted light intrusion.
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Is airflow performance reduced by the light trap? \n
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Performance data is collected with the light trap installed, so airflow ratings accurately reflect real-world operation.
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\n
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What environments is this fan designed for? \n
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It’s ideal for greenhouses and poultry facilities, especially where light control and ventilation are both critical.
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How is the fan mounted? \n
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The fan mounts flush to the interior wall, saving space and eliminating ledges that can collect debris or pathogens.
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Is the light trap easy to clean? \n
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Yes. Tool-less nylon clips allow quick removal of the light trap for washing and maintenance.
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What materials are used in the construction? \n
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The housing is made from 18-gauge galvanized steel for corrosion resistance and long service life.
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Specifications \"\"\n

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J&D Manufacturing Galvanized WM Light Deprivation Exhaust Fan with Light Trap\"\"
Product NameGalvanized WM Light Deprivation Exhaust Fan with Light Trap
24\" Fan Model
SKUVF24DMLT1 / VF24DMLT1-GS
Fan Size24\"
Airflow (CFM)4,267 / 4,854
Voltage115/230 Volts
PhaseSingle
Amps4.8/2.4A (Standard) or 5.88/2.94A (Gold Star)
Motor TypeStandard or Gold Star
Propeller3 Blade Aluminum (Standard) / 4 Blade Poly (Gold Star)
30\" Fan Model
SKUVF30DMLT1 / VF30DMLT3-GS
Fan Size30\"
Airflow (CFM)6,216 / 6,645
Voltage115/230 Volts
PhaseSingle
Amps6.1/3.09A
Motor TypeStandard or Gold Star
Propeller3 Blade Aluminum
36\" Fan Model
SKUVF36GGLT1 / VF36GGLT3
Fan Size36\"
Airflow (CFM)10,948 / 11,044
Voltage115/208-230 (Standard) or 230/460 (Three Phase)
PhaseSingle or Three
Amps9.0/4.5A (Single) or 3.2/1.6A (Three)
Motor TypeStandard
Propeller4 Blade Galvanized
50\" Fan Model
SKUVF50GGLT1 / VF50GGLT3
Fan Size50\"
Airflow (CFM)19,717 / 22,038
Voltage115/208-230 (Single) or 208-230/460 (Three Phase)
PhaseSingle or Three
Amps18/9A (Single) or 6.2/3.1A (Three)
Propeller3 Blade Galvanized
Cord IncludedNo (Hardwire Required)
Spec SheetPDF
Installation InstrutionPDF
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What is included? \"\"\n

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It includes:

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  • \n\"\" Galvanized WM Light Deprivation Exhaust Fan\n
    • \n
  • \n\"\" Integrated Light Trap installed for accurate performance and light reduction\n
    • \n
  • \n\"\" Aluminum shutter assembly with tie bar to minimize flapping\n
    • \n
  • \n\"\" Tool-less nylon light trap clips for quick removal and cleaning\n
    • \n
  • \n\"\" Factory-installed propeller\n
    • \n
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\"\"
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Warranty Policy

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Please check out the manufcaturers website for Warranty related issues.

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J&D Manufacturing Galvanized WM Light Deprivation Exhaust Fan with Light Trap
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J&D Manufacturing Galvanized WM Light Deprivation Exhaust Fan with Light Trap

J&D Manufacturing Galvanized WM Light Deprivation Exhaust Fan with Light Trap

Select Select Model
From $422.20

Original: $1,206.28

-65%
J&D Manufacturing Galvanized WM Light Deprivation Exhaust Fan with Light Trap—

$1,206.28

$422.20

The Story

J&D Manufacturing Galvanized WM Light Deprivation Exhaust Fan with Light Trap

The WM Light Deprivation Exhaust Fan is engineered to support precise light-control strategies while maintaining reliable ventilation in agricultural environments. Its integrated light trap delivers exceptional light reduction without sacrificing airflow, and all performance data is measured with the light trap installed for accurate system planning. With a durable galvanized housing, flush interior mounting, and easy-to-clean design, this fan is ideal for growers who need dependable air exchange while protecting sensitive growth cycles in greenhouses and poultry facilities.

  • Features & Benefits
  • Product Specifications
  • What is included?
  • Warranty Policy

J&D Manufacturing Galvanized WM Light Deprivation Exhaust Fan with Light Trap

Built for light-deprivation applications, the WM exhaust fan delivers dependable air exchange while dramatically reducing unwanted light infiltration. Its flush-mount light trap design, tested performance data with the trap installed, and corrosion-resistant galvanized housing make it ideal for growers who need accurate ventilation planning, easy cleaning, and consistent environmental control in greenhouses and poultry facilities.

  • Maintains strong ventilation while supporting strict light-deprivation growing schedules.
  • Performance data is measured with the light trap installed for accurate airflow calculations.
  • Flush interior mounting saves space and helps reduce debris and pathogen buildup.
  • Aluminum shutters with tie bars minimize wind flapping and unwanted air infiltration.
  • Tool-less nylon clips allow fast light-trap removal for quick cleaning and maintenance.
  • Heavy-duty 18-gauge galvanized steel construction resists corrosion for long service life.

Controlled Ventilation for Light-Sensitive Growing Environments

The Galvanized WM Light Deprivation Exhaust Fan is built for growers who need dependable airflow without compromising strict light-control cycles. Its integrated light trap, durable galvanized construction, and flush-mount design ensure consistent ventilation performance while helping maintain optimal environmental conditions inside the structure.

Why J&D Manufacturing?

J&D Manufacturing, founded in 1981 in Eau Claire, WI, is a family-owned company specializing in high-performance, high-efficiency ventilation and comfort solutions for agriculture. Partnering with dairy, poultry, swine, and other producers, J&D delivers American-made systems that improve animal comfort, reduce costs, and boost productivity, all while supporting the evolving needs of modern farming across the U.S. and worldwide.

Why Buy From Us?

At GreenThumbDepot, you're not just another sale to a faceless corporation. You're partnering with a team genuinely invested in your success. Our legendary customer service, combined with a promise of unbeatable prices, sets us apart. We're here for you, always.

Excellent 4.8 out of 5 based on 1,247 reviews
If I could rate 6 stars I would!
If I could rate 6 stars I would! My representative Edouard B. has been shockingly responsive! Like - oh my god - an actual SERVICE oriented company. He's dug into my odd connectivity issues I've been having - and following up in an AMAZINGLY timey manner. No shit. You'll be impressed! (And the price was also unbeatable, quick shipping...it's all PERFECT). Thank you Ed!!
Jim D

Customer service was outstanding great…
Customer service was outstanding great people to deal with they understand your needs and they will do their best to fulfill them there is no way I can complain about them because they are the best help out there.Thanks green thumb depot. I'll definitely order from them again
Glenn Appleton

The machine is doing just what my…
The machine is doing just what my salesman told it would do (I appreciate you Ed thank you) . The machine is what we need for our new business we're starting up, soon to be llc and licensed. We are getting a lot of clients wanting our services. Ed I will be needing more of your products, thank you again.
Freddie

Fantastic
Great prices, fantastic customer service, and mind blowing shipping! Incredible. Will be using again and telling anyone in need.
Kar

←
→

FAQ Section

What is the purpose of the light trap on this exhaust fan?
The light trap dramatically reduces light penetration while allowing airflow, helping maintain strict light-deprivation cycles for controlled growth.
How effective is the light reduction?
The integrated light trap provides a 1.5 million:1 light reduction factor, minimizing unwanted light intrusion.
Is airflow performance reduced by the light trap?
Performance data is collected with the light trap installed, so airflow ratings accurately reflect real-world operation.
What environments is this fan designed for?
It’s ideal for greenhouses and poultry facilities, especially where light control and ventilation are both critical.
How is the fan mounted?
The fan mounts flush to the interior wall, saving space and eliminating ledges that can collect debris or pathogens.
Is the light trap easy to clean?
Yes. Tool-less nylon clips allow quick removal of the light trap for washing and maintenance.
What materials are used in the construction?
The housing is made from 18-gauge galvanized steel for corrosion resistance and long service life.

Specifications

J&D Manufacturing Galvanized WM Light Deprivation Exhaust Fan with Light Trap
Product Name Galvanized WM Light Deprivation Exhaust Fan with Light Trap
24" Fan Model
SKU VF24DMLT1 / VF24DMLT1-GS
Fan Size 24"
Airflow (CFM) 4,267 / 4,854
Voltage 115/230 Volts
Phase Single
Amps 4.8/2.4A (Standard) or 5.88/2.94A (Gold Star)
Motor Type Standard or Gold Star
Propeller 3 Blade Aluminum (Standard) / 4 Blade Poly (Gold Star)
30" Fan Model
SKU VF30DMLT1 / VF30DMLT3-GS
Fan Size 30"
Airflow (CFM) 6,216 / 6,645
Voltage 115/230 Volts
Phase Single
Amps 6.1/3.09A
Motor Type Standard or Gold Star
Propeller 3 Blade Aluminum
36" Fan Model
SKU VF36GGLT1 / VF36GGLT3
Fan Size 36"
Airflow (CFM) 10,948 / 11,044
Voltage 115/208-230 (Standard) or 230/460 (Three Phase)
Phase Single or Three
Amps 9.0/4.5A (Single) or 3.2/1.6A (Three)
Motor Type Standard
Propeller 4 Blade Galvanized
50" Fan Model
SKU VF50GGLT1 / VF50GGLT3
Fan Size 50"
Airflow (CFM) 19,717 / 22,038
Voltage 115/208-230 (Single) or 208-230/460 (Three Phase)
Phase Single or Three
Amps 18/9A (Single) or 6.2/3.1A (Three)
Propeller 3 Blade Galvanized
Cord Included No (Hardwire Required)
Spec Sheet PDF
Installation Instrution PDF

What is included?

It includes:

  • Galvanized WM Light Deprivation Exhaust Fan
  • Integrated Light Trap installed for accurate performance and light reduction
  • Aluminum shutter assembly with tie bar to minimize flapping
  • Tool-less nylon light trap clips for quick removal and cleaning
  • Factory-installed propeller

Warranty Policy

Please check out the manufcaturers website for Warranty related issues.

J&D Manufacturing Galvanized WM Light Deprivation Exhaust Fan with Light Trap - Image 2

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

Description

J&D Manufacturing Galvanized WM Light Deprivation Exhaust Fan with Light Trap

The WM Light Deprivation Exhaust Fan is engineered to support precise light-control strategies while maintaining reliable ventilation in agricultural environments. Its integrated light trap delivers exceptional light reduction without sacrificing airflow, and all performance data is measured with the light trap installed for accurate system planning. With a durable galvanized housing, flush interior mounting, and easy-to-clean design, this fan is ideal for growers who need dependable air exchange while protecting sensitive growth cycles in greenhouses and poultry facilities.

  • Features & Benefits
  • Product Specifications
  • What is included?
  • Warranty Policy

J&D Manufacturing Galvanized WM Light Deprivation Exhaust Fan with Light Trap

Built for light-deprivation applications, the WM exhaust fan delivers dependable air exchange while dramatically reducing unwanted light infiltration. Its flush-mount light trap design, tested performance data with the trap installed, and corrosion-resistant galvanized housing make it ideal for growers who need accurate ventilation planning, easy cleaning, and consistent environmental control in greenhouses and poultry facilities.

  • Maintains strong ventilation while supporting strict light-deprivation growing schedules.
  • Performance data is measured with the light trap installed for accurate airflow calculations.
  • Flush interior mounting saves space and helps reduce debris and pathogen buildup.
  • Aluminum shutters with tie bars minimize wind flapping and unwanted air infiltration.
  • Tool-less nylon clips allow fast light-trap removal for quick cleaning and maintenance.
  • Heavy-duty 18-gauge galvanized steel construction resists corrosion for long service life.

Controlled Ventilation for Light-Sensitive Growing Environments

The Galvanized WM Light Deprivation Exhaust Fan is built for growers who need dependable airflow without compromising strict light-control cycles. Its integrated light trap, durable galvanized construction, and flush-mount design ensure consistent ventilation performance while helping maintain optimal environmental conditions inside the structure.

Why J&D Manufacturing?

J&D Manufacturing, founded in 1981 in Eau Claire, WI, is a family-owned company specializing in high-performance, high-efficiency ventilation and comfort solutions for agriculture. Partnering with dairy, poultry, swine, and other producers, J&D delivers American-made systems that improve animal comfort, reduce costs, and boost productivity, all while supporting the evolving needs of modern farming across the U.S. and worldwide.

Why Buy From Us?

At GreenThumbDepot, you're not just another sale to a faceless corporation. You're partnering with a team genuinely invested in your success. Our legendary customer service, combined with a promise of unbeatable prices, sets us apart. We're here for you, always.

Excellent 4.8 out of 5 based on 1,247 reviews
If I could rate 6 stars I would!
If I could rate 6 stars I would! My representative Edouard B. has been shockingly responsive! Like - oh my god - an actual SERVICE oriented company. He's dug into my odd connectivity issues I've been having - and following up in an AMAZINGLY timey manner. No shit. You'll be impressed! (And the price was also unbeatable, quick shipping...it's all PERFECT). Thank you Ed!!
Jim D

Customer service was outstanding great…
Customer service was outstanding great people to deal with they understand your needs and they will do their best to fulfill them there is no way I can complain about them because they are the best help out there.Thanks green thumb depot. I'll definitely order from them again
Glenn Appleton

The machine is doing just what my…
The machine is doing just what my salesman told it would do (I appreciate you Ed thank you) . The machine is what we need for our new business we're starting up, soon to be llc and licensed. We are getting a lot of clients wanting our services. Ed I will be needing more of your products, thank you again.
Freddie

Fantastic
Great prices, fantastic customer service, and mind blowing shipping! Incredible. Will be using again and telling anyone in need.
Kar

←
→

FAQ Section

What is the purpose of the light trap on this exhaust fan?
The light trap dramatically reduces light penetration while allowing airflow, helping maintain strict light-deprivation cycles for controlled growth.
How effective is the light reduction?
The integrated light trap provides a 1.5 million:1 light reduction factor, minimizing unwanted light intrusion.
Is airflow performance reduced by the light trap?
Performance data is collected with the light trap installed, so airflow ratings accurately reflect real-world operation.
What environments is this fan designed for?
It’s ideal for greenhouses and poultry facilities, especially where light control and ventilation are both critical.
How is the fan mounted?
The fan mounts flush to the interior wall, saving space and eliminating ledges that can collect debris or pathogens.
Is the light trap easy to clean?
Yes. Tool-less nylon clips allow quick removal of the light trap for washing and maintenance.
What materials are used in the construction?
The housing is made from 18-gauge galvanized steel for corrosion resistance and long service life.

Specifications

J&D Manufacturing Galvanized WM Light Deprivation Exhaust Fan with Light Trap
Product Name Galvanized WM Light Deprivation Exhaust Fan with Light Trap
24" Fan Model
SKU VF24DMLT1 / VF24DMLT1-GS
Fan Size 24"
Airflow (CFM) 4,267 / 4,854
Voltage 115/230 Volts
Phase Single
Amps 4.8/2.4A (Standard) or 5.88/2.94A (Gold Star)
Motor Type Standard or Gold Star
Propeller 3 Blade Aluminum (Standard) / 4 Blade Poly (Gold Star)
30" Fan Model
SKU VF30DMLT1 / VF30DMLT3-GS
Fan Size 30"
Airflow (CFM) 6,216 / 6,645
Voltage 115/230 Volts
Phase Single
Amps 6.1/3.09A
Motor Type Standard or Gold Star
Propeller 3 Blade Aluminum
36" Fan Model
SKU VF36GGLT1 / VF36GGLT3
Fan Size 36"
Airflow (CFM) 10,948 / 11,044
Voltage 115/208-230 (Standard) or 230/460 (Three Phase)
Phase Single or Three
Amps 9.0/4.5A (Single) or 3.2/1.6A (Three)
Motor Type Standard
Propeller 4 Blade Galvanized
50" Fan Model
SKU VF50GGLT1 / VF50GGLT3
Fan Size 50"
Airflow (CFM) 19,717 / 22,038
Voltage 115/208-230 (Single) or 208-230/460 (Three Phase)
Phase Single or Three
Amps 18/9A (Single) or 6.2/3.1A (Three)
Propeller 3 Blade Galvanized
Cord Included No (Hardwire Required)
Spec Sheet PDF
Installation Instrution PDF

What is included?

It includes:

  • Galvanized WM Light Deprivation Exhaust Fan
  • Integrated Light Trap installed for accurate performance and light reduction
  • Aluminum shutter assembly with tie bar to minimize flapping
  • Tool-less nylon light trap clips for quick removal and cleaning
  • Factory-installed propeller

Warranty Policy

Please check out the manufcaturers website for Warranty related issues.

J&D Manufacturing Galvanized WM Light Deprivation Exhaust Fan with Light Trap | Green Thumb Depot