will one fan accomodate a 1000 s.f. crawl space/

You should be looking for 5 air changes an hour. The fans do 220 cfm or 13,200 cubic feet per hour, 13200/5 = 2640 cf so that's about 30'x30'x3' cubic feet of crawl space. Don't forget you need air intakes on the opposite side to allow fresh air to enter. If your space is a lot bigger than 2640 cf then you need two fans. I recommend putting the fan on a timer so that it turns off at night when the outside air tends to be higher humidity which you don't want to be pulled into your crawl space. Better yet a dawn to dusk timer would be very convenient. Also place the fan on the side opposite to the prevailing winds in your area;.that way nature will assist the fan most of the time to move more air.

I don’t know if it’s completely waterproof, but it seems to be moisture proof. Mine gets wet and I haven’t had any problems.

Are the fan grills stainless steel?

Real #304 Stainless Steel. Welcome test it with magnet.

Would this be appropriate for use in a small utility room that houses a pottery kiln? I am concerned about chemical offgassing.

Dear Amazon Customer, First, this is a ventilator with Built-in Dehumidistat. But, I think it is suitable for your project/application, since it equips stainless steel #304 back panel / control board housing, and full aluminum blower frame for being corrosion resistant. For your use, please set a lower humidity level to keep power ON. Hope this helps. Thank you for your question and interest. PayandPack stores

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Durablow 220 CFM Air-Out Stainless Steel Crawl Space Vent Fan, Dual Fans

Product ID: 16971834

Details

Brand
Durablow
Color
SUS304 Air-Out
Electric fan design
Exhaust Fan
Mounting Type
Wall Mount
Power Source
Corded
Product Dimensions
2"D x 9"W x

💨220 CFM airflow - powerful ventilation

🌡️Built-in dehumidistat & thermostat control

🛡️304 Stainless Steel - corrosion resistant

€ 292.29

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Description

💨 Breathe Easy, Live Better — The Ultimate Crawl Space Air-Out Solution

DUAL FAN POWERHOUSE - Maximize airflow with 220 CFM dual fans for rapid crawl space ventilation.
RADON ODOR DEFENSE - Effectively reduces radon gas and harmful odors, safeguarding your home’s air quality.
RUSTPROOF DURABILITY - Premium 304 stainless steel housing ensures long-lasting performance in damp environments.
SMART HUMIDITY CONTROL - Automatically activates between 20%-80% RH to keep moisture and mold at bay.
PLUG PLAY INSTALLATION - Quick 10-minute setup with included hardware and intuitive humidity knob control.

The Durablow 220 CFM Air-Out Stainless Steel Crawl Space Vent Fan features dual high-velocity fans delivering powerful 220 CFM airflow to ventilate basements, crawl spaces, and foundations. Equipped with a built-in dehumidistat and freeze protection thermostat, it automatically regulates humidity between 20%-80% RH and shuts off below 35°F, ensuring optimal moisture control year-round. Constructed from premium 304 stainless steel, this UL-certified fan resists corrosion in damp environments, making it ideal for radon mitigation and odor control. Easy to install with a plug-in design and included hardware, it’s a smart, durable solution for healthier indoor air quality and home protection.

Specifications

ASIN	B00WU5DAS2
Air Flow Capacity	220 cfm
Best Sellers Rank	#92,846 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #263 in Household Ventilation Fans
Brand Name	Durablow
Collection Name	Home
Color	SUS304 Air-Out
Control Method	App
Controller Type	Button Control
Customer Reviews	4.5 4.5 out of 5 stars (356)
Electric Fan Design	Exhaust Fan
Finish Type	Brushed
Included Components	220 CFM Air-Out Fan + 7-feet grounded power Cord
Indoor Outdoor Usage	Indoor, Outdoor
Installation Type	Plug-in
Item Dimensions D x W x H	2"D x 9"W x 18"H
Item Type Name	Crawl Space Foundation Fan
Manufacturer	Durablow
Material	Stainless Steel 304
Model Name	Crawl Space Foundation Fan
Model Number	MFB M2D
Mounting Type	Wall Mount
Noise Level	55 db
Number of Blades	7
Number of Packs	1
Number of Power Levels	1
Part Number	MFB M2D
Power Source	Corded Electric
Recommended Uses For Product	Air Circulation, Home, Outdoor
Room Type	Bedroom
Size	SUS304+Dual Fan+Dehumidistat
Special Features	220 CFM, Dual Fans, Stainless Steel 304
Specification Met	UL
Style	Air-Out
UPC	601393749530
Unit Count	1 Count
Voltage	120 volts
Wattage	72 watts

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€ 292.29

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Croatia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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