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Description
110 CFM Power Crawl Space FanThe Tjernlund UnderAire Series V1 Crawl Space Ventilator is designed to circulate fresh outdoor air underneath homes and porches. Excessive humidity levels in Crawl Spaces is the leading cause of premature rotting of support columns, joists, floors and beam supports. Humidity can promote fungus growth and increased termite activity. Humidity may also cause plumbing failures due to rust and corrosion. Constant operation helps vent radon gases, treated
The Tjernlund UnderAire Series V1 Crawl Space Ventilator is designed to circulate fresh outdoor air underneath homes and porches. Excessive humidity levels in Crawl Spaces is the leading cause of premature rotting of support columns, joists, floors and beam supports. Humidity can promote fungus growth and increased termite activity. Humidity may also cause plumbing failures due to rust and corrosion. Constant operation helps vent radon gases, treated wood off-gassing and other odors that might migrate into living areas.- Excess moisture can cause mold, mildew and wood rot; under air fans increase air circulation to fight condensation
- Calculate the cubic area of the crawl space by multiplying the length x width x height; divide this number by 15 to determine the minimum CFM necessary to fully ventilate the space in 15 minutes
- 1-fan and small faceplate forventilation openings through brickfoundations (requires switch or dehumidistatto activate)
- 110 CFM to circulate fresh outdoor air underneath homes and porches
- Ventilator models are equipped with a factory installed and pre-wired thermostat which will prevent operation of the fan below 35°F outdoor temperature; normal operation of the fan will resume once the temperature outside rises near 50°F
- Constant operation helps vent radon gases, treated wood off-gassing and other odors that might migrate into living areas
- 1-fan and small face plate forventilation openings through brick foundations
- Ventilators are installed inside crawl space behind existing ventilation opening; screws and masonry wall anchors are included
- Efficient
Features
| Item Weight | 4 |
| Wildlife Guard | Yes |
| Voltage (volts) | 115 |
| Ventilation Type | Exhaust |
| Airflow (CFM) | 110 |
| Recommended Sq. Ft. | 1500 |
| Thermostat Controlled | Yes |
| Color/Finish Family | Metallic |
| Returnable | 180-Day |
| Horsepower (hp) | .01 hp |
| Material | Galvanized Steel |
| Amperage (amps) | 0.30 A |
| Color Family | Metallic |
| Product Weight (lb.) | 4 lb |
| Product Height (in.) | 14 in |
| Cut-Out Diameter (in.) | 162 |
| Product Depth (in.) | 2 in |
| Product Width (in.) | 7 in |
| Manufacturer Warranty | 1 Year |
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 ★★★★★
Based on 17 reviews
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Product Reviews
★★★★★ 5
Good quality product
I have normal skin and I use it once a week; makes my skin fresh and white and removes blackheads from the nose very effectively
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Reviewed in the United States on January 31, 2026
★★★★★ 5
Great soap
Its a great soap, keep my skin smooth and acne free
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Reviewed in the United States on November 26, 2025
★★★★★ 5
Go ahead and buy it!
I was kind of scared to purchase these because most of tue reviews received this product for free, I’m here to say I’m happy I purchased. First they smell very good, plus these ingredients are wayyy better than other soaps on here (that have dyes). Also I think the price is great. I have paid 14 for one bar, I’m willing to pay a reasonable price for good quality ingredients.
I will report back to see if I noticed a change in the soap! Super excited to try on my body
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Reviewed in the United States on March 11, 2025
★★★★★ 4
It works.
First of all the smell is so amazing. It clears up the face. Worth the buy.
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Reviewed in the United States on February 6, 2026
★★★★★ 5
i will keep purchasing this
I usually use Tumeric soap however my cover told me about this. i love it. Face looks cleand and smooth
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Reviewed in the United States on July 2, 2025