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Description
Wall Master Light Dep Exhaust FanUsing light deprivation to control plant growth and blooming is a trending strategy for short day plants, such as cannabis and poinsettias. Without proper ventilation during the light deprivation stage, heat, mold, and disease can quickly destroy your crop, setting you back a whole season. J&D's WM Light Dep Exhaust Fan is a crucial piece of your greenhouse light deprivation system for healthy, robust, and profitable blooms. Allows for bigger, higher
Using light deprivation to control plant growth and blooming is a trending strategy for short-day plants, such as cannabis and poinsettias. Without proper ventilation during the light deprivation stage, heat, mold, and disease can quickly destroy your crop, setting you back a whole season. J&D's WM Light Dep Exhaust Fan is a crucial piece of your greenhouse light deprivation system for healthy, robust, and profitable blooms.
- Allows for bigger, higher quality, larger profit flowers
- Full range of sizes, even ones for small greenhouses
- Test data is for fan with light trap, enabling dependable and accurate air exchange calculations
- Fan with light trap mounts flush to the interior of the building, freeing up valuable space and eliminating a protruding ledge
Specifications
Standard/Belt Drive Motor
| Model No. | Size | Phase | Speed | CFM @0.10" SP | CFM/Watt @0.10" SP | Drive | Prop |
|---|---|---|---|---|---|---|---|
| VF24DMLT1 | 24" | 1 | 1 | 4,267 | 10.6 | Direct | 3-Alm |
| VF24DMLT3 | 24" | 3 | 1 | 4,457 | 10.7 | Direct | 3-Alm |
| VF30DMLT1 | 30" | 1 | 1 | 5,216 | 11.0 | Direct | 3-Alm |
| VF30DMLT3 | 30" | 3 | 1 | 6,259 | 12.1 | Direct | 3-Alm |
| VF36GGLT1 | 36" | 1 | 1 | 10,948 | 9.4 | Belt | 4-Glv |
| VF36GGLT3 | 36" | 3 | 1 | 11,044 | 9.9 | Belt | 4-Glv |
| VF42GGLT1 | 42" | 1 | 1 | 13,064 | 10.4 | Belt | 3-Glv |
| VF42GGLT3 | 42" | 3 | 1 | 13,957 | 10.4 | Belt | 3-Glv |
| VF50GGLT1 | 50" | 1 | 1 | 19,717 | 10.5 | Belt | 3-Glv |
| VF50GGLT3 | 50" | 3 | 1 | 22,038 | 10.1 | Belt | 3-Glv |
Gold Star Motor
| Model No. | Size | Phase | Speed | CFM @0.10" SP | CFM/Watt @0.10" SP | Drive | Prop |
|---|---|---|---|---|---|---|---|
| VF24DMLT1-GS | 24" | 1 | 1 | 4,854 | 7.8 | Direct | 4-Ply |
| VF24DMLT3-GS | 24" | 3 | 1 | 4,252 | 9.0 | Direct | 3-Glv |
| VF30DMLT1-GS | 30" | 1 | 1 | 6,551 | 10.4 | Direct | 3-Alm |
| VF30DMLT3-GS | 30" | 3 | 1 | 6,645 | 10.0 | Direct | 3-Alm |
Technical Information
WM Light Dep Exhaust Fan Technical Specifications (PDF)
Additional Information
How do I size my fan and shutters system?
- The first thing that you need to determine is the amount of air required. This is stated in CFM (Cubic Feet of Air per Minute).
- Use the following formula to determine the CFM required for your greenhouse:
CFM = Length x Width x 12
Example: Greenhouse 12' wide and 24' long requires 3456 CFM (12 x 24 x 12) - Reference the above table. Select the appropriate combination of fan(s) to achieve the necessary CFM rating. Be sure to match the total CFM output for your exhaust fan(s) to the CFM ratings for your Inlet Shutters.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.9 ★★★★★
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Product Reviews
★★★★★ 5
Good for kids
Color: Purple Pink
Perfect for my daughter’s new iPad. Very durable. Love the pink and purple color. Easy to put together.
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Reviewed in the United States on May 14, 2026
★★★★★ 5
Perfect case for my daughter’s iPad
Color: Purple Pink
bought this case for my daughter.
The fit is perfect — all the buttons and camera line up exactly and it snaps on securely.
The case feels sturdy, protective, and durable but not too heavy, so she can still carry it comfortably.
The stand feature is convenient. The design is also super cute — Luna loves it
Overall, great quality for the price. I would definitely buy it again
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Reviewed in the United States on February 15, 2026
★★★★★ 5
Perfect case
Color: Purple Pink
Great protection for my IPad. I’m always dropping something. This case was pretty easy to install and has the protection over the glass front. No problem using the iPad with the cover. Cute colors and has a loop to store the pen
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Reviewed in the United States on June 9, 2026
★★★★★ 5
Very versatile!
Color: Colorful Pink
I got this iPad case for myself and my two year-old daughter as we both use this iPad. This case has definitely held up very well. I love the material because it’s nonslip so it’s easy for my two-year-old to hold I also love the movable and adjustable prop on the back that also doubles as a handle. There is two spots to put your Apple Pencil, so that’s very neat. It is a little bit bulky, but it is very protective and I think that is a good trade-off. There is also a cover for the charging port to prevent dust from getting in there or any spills. At first I was a little bit weary about it having a built-in screen protector, but it’s very clear and does not interfere with using the screen at all, so it’s actually a nice touch. I really love this thing and think it is worth it!
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Reviewed in the United States on May 24, 2026
★★★★★ 5
Great case
Color: Purple Pink
My daughter loves it and the color is marvelous. It was easy to put on, I would buy again worth my money. Very sterdy as good for kids that love to drop their tablet. I like how its has a strap so your kid can carry it on their over there shoulders.
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Reviewed in the United States on June 8, 2026