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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
4.0 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 4
Looks good but the wall anchors is TRASH!
Size: 3-tier shelves, Size: 3-tier shelves
The product is heavy and sturdy once you get it up completely. The issue I have is with the instructions...
1. The 5/16 drill bit is recommends is WAY TO BIG. The Anchors it comes with will slip right through. The screws that is comes with are WAY TO SMALL for the weight. I recommend getting better ones from the hardware store and painting the screws black for better aesthetics.
2. The instructions say to put it together first then hang it on the wall. That is great so you can see where you want to place it and because it is actually bigger than it looks, but you will need to de-assemble it from the bottom shelf down after you mark where you want to place it, then put that part on the wall, then reassemble it from there, securing the top part to the wall last. The instructions sucked but that is what worked best for me.
Another thing is when you first assembling it, you will notice that you will have to unscrew it a bit so the pipes can fast the correct way. This will make it feel flimsy, but it will tighten up when you secure it to the wall.
Also, like some people said in previous reviews, some of the black paint did peel off the pipes, not to much for me but it was noticeable if you look at it hard enough.
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Reviewed in the United States on June 21, 2023
★★★★★ 5
Love the look of these
Size: 24in-Shelve
I love the look of these. Bought for towel storage over my toilet. They look really classy and I'm so happy with them. However, its important to note that the wall anchors they provide are way too big for the screws. The screws just fall into the inside of the anchor without even being screwed in. So there's no way you could secure the wall unit with the ones provided. We had to replace the anchors with some I already had. Other than that very happy with the quality and look.
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Reviewed in the United States on January 10, 2025
★★★★★ 5
Great shelf
Size: 24in-Shelve
I’m a fan! Good quality, sturdy shelf, very easy to assemble and put on the wall. I recommend having a second person to help hold the shelf while you get the first few screws in, just to keep it level.
I love the larger shelf space, it gives me a lot more storage for the bathroom.
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Reviewed in the United States on September 10, 2025
★★★★★ 5
Great Product!
Size: 3tiers-Shelves, Size: 3tiers-Shelves
This shelf system is an awesome option if you're looking for an industrial/rustic vibe. It's feels super well made and was easy to assemble. The finish on the wood is fantastic! All the hardware for mounting was there and even if you have minimal experience mounting brackets and hardware to the wall - this was still very easy. I especially appreciated the "U" brackets to secure the wood shelves to the posts - that was an unexpected extra that I was very happy to see included. Unfortunately because of space and the way my wife wanted these spaced, we didn't use the third shelf, but we're definitely going to find some place else in the house to mount that later. Overall, if you like this decor - I would definitely recommend this item!
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Reviewed in the United States on June 8, 2021
★★★★★ 5
Quick and easy - nice pipe kit.
Size: 4-Tier (Not included planks)
Pair these with some shelving boards from your local big box store, and you're in business. These look nice, and are easy to assemble. I had them up and on the wall in about 90 minutes.
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Reviewed in the United States on January 7, 2026