Can this be used to move grinding and welding smoke?

If it is just smoke, then it won't be an issue for the fan. But you need to make sure there won't be any hard particles going into the fan, as they can damage the blade and the motor.

In a pets grooming salon dogs hair is flying all over the place when we blow dry the dogs. Can this unit be used to suck the dogs hair to a canister?

Hello, Unfortunately, this fan will not work well for your application. Pet hair will be getting stuck inside the unit and getting wrapped around the impeller and fan's rotor, which can potentially increase chances of overheating and malfunction. If you still decide to us it for this application you need to ensure that there is a filter placed before the fan which will catch all of the hair before it reaches fan's parts. This somewhat defeats the purpose, as you want the hair to go into a canister and not to be trapped on the filter surface before the hair reaches the fan. Hope this helps. Best regards, TerraBloom

Does this fan have a dc motor? and is it pwm controlled?

This fan has a EC motor, which is a subtype of DC motors. Key difference is that it doesn't require a DC adapter since the conversion of electricity current happens inside the fan instead of DC adapter. The fan is controlled using Potentiometer technology and it yields exactly the same results as PWM.

Is the shipping discreet?

Hi Daniel, You will need to select an option to gift wrap your order so that Amazon ships it in a additional box. We do not package or ship our fans directly to Amazon customers, it is done by Amazon staff from Amazon warehouses. Best regards, TerraBloom Team

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TerraBloom 4 Inch Inline Fan ECMF-100 - Quiet HVAC Grow Tent Fan with Digital Speed Controller- Premium Metal Casing 40-75% Energy Efficient EC Motor - For Large Spaces

TerraBloom 4 Inch Inline Fan ECMF-100 - Quiet HVAC Grow Tent Fan with Digital Speed Controller- Premium Metal Casing 40-75% Energy Efficient EC Motor - For Large Spaces

Product ID: 101848239

Details

Brand
TerraBloom
Color
Black
Electric fan design
Exhaust Fan
Mounting Type
Wall Mount
Power Source
AC
Product Dimensions
5.9"D x 6.3"W

⚡21W max power

💨141 CFM airflow

🔇18 dBA ultra-quiet

R4426

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Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌿 Quiet power, smart airflow — breathe better, grow smarter.

BUILT TO LAST - Durable coated steel housing with IPX4 water resistance protects against rust and damage in demanding environments.
CERTIFIED RELIABILITY - Independently lab-tested and ETL listed, backed by a 2-year warranty for peace of mind and proven performance.
VERSATILE VENTILATION - Perfect for grow tents, vertical farms, HVAC systems, and air filtration—engineered for professional-grade indoor climate control.
ENERGY SMART PERFORMANCE - Consumes just 21 watts, saving up to 75% energy vs. traditional AC fans—cut your utility bills and carbon footprint.
PRECISION AIRFLOW CONTROL - Variable speed from 0-100% for tailored ventilation without noise disruption.

The TerraBloom 4 Inch Inline Fan ECMF-100 delivers 141 CFM airflow at an ultra-low 21 watts, combining brushless EC motor efficiency with whisper-quiet 18 dBA operation. Its rugged steel casing with IPX4 rating ensures durability in tough indoor environments like grow tents and HVAC systems. Featuring variable speed control and backed by independent lab certifications and a 2-year warranty, this fan is the go-to solution for energy-conscious professionals seeking reliable, customizable ventilation.

Specifications

ASIN	B07JNGS2V7
Air Flow Capacity	141 cfm
Best Sellers Rank	#207,786 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #162 in Greenhouse Ventilation Equipment #1,021 in Household Ventilation Fans
Blade Length	4 inches
Blade Material	Plastic
Brand Name	TerraBloom
Collection Name	Inline Fans
Color	Black
Control Method	Touch
Controller Type	Button Control
Customer Reviews	4.5 4.5 out of 5 stars (598)
Electric Fan Design	Exhaust Fan
Finish Type	Matte
Included Components	Remote
Indoor Outdoor Usage	Indoor
Installation Type	wall-mounted
Item Dimensions D x W x H	5.9"D x 6.3"W x 7.3"H
Item Weight	0.27 g
Light Type	LED
Manufacturer	TerraBloom
Material	Aluminum
Model Name	ECMF-100
Model Number	ECMF-100
Motor Type	brushless
Mounting Type	Wall Mount
Noise Level	28 db
Number of Blades	7
Number of Power Levels	8
Number of Speeds	8
Power Source	AC
Recommended Uses For Product	Farms, Home
Room Type	Kitchen
Size	4" / 100mm Diameter (141CFM, 21W, Steel Housing)
Special Features	Quiet
Specification Met	ETL
Standby Power Shutoff	40-75% more energy-efficient than AC fans
Style	Industrial
Switch Type	remote
UPC	858355007447
Unit Count	1 Count
Voltage	120 volts
Warranty Description	All ECMF series fans are covered by a 2 year warranty against manufacturing defects
Wattage	21 watts

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