Is terrabloom same thing as vivosun or are they from different manufacturers?

Can’t verify part numbers but they look almost identical don’t they.

Is the motor enclosed or sealed, i.e. sheet rock dust will be going through this and can do a lot of harm to the bearings.

The motor in this inline fan is enclosed in a standalone plastic casing. Occasional sheet rock dust won't kill it, but if you are planning on using it in the environment where sheet rock dust is present all the time, it wouldn't be the best choice unless you'll pull the air through the intake filter.

Can the 8 inch 735 cfm be used to vent welding smoke?

Yes, welding smoke will not be a problem for this unit.

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TerraBloom 4 Inch (100 mm) Inline Fan - 188 CFM Exhaust Duct Fan, Built-In Speed Controller, ETL Listed, Pre-Wired 6 FT Grounded Cord - For Use In Grow Tents With Carbon Filters, Fixtures, Attics

TerraBloom 4 Inch (100 mm) Inline Fan - 188 CFM Exhaust Duct Fan, Built-In Speed Controller, ETL Listed, Pre-Wired 6 FT Grounded Cord - For Use In Grow Tents With Carbon Filters, Fixtures, Attics

Product ID: 333209557

Details

Brand
TerraBloom
Colour
Black
Electric fan design
Exhaust Fan
Mounting type
Window Mount
Power source
Corded
Product dimensions
29.2D x 20.3W

💨342 CFM airflow

⚙️Built-in speed controller

🛠️Lightweight 5.5 lbs ABS plastic

$469.54

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Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💨 Elevate your air game—breathe smarter, work cleaner!

VERSATILE MULTI USE FAN - Perfect for grow tents, carbon filter setups, attics, basements, and more—adapt your environment instantly.
INTEGRATED SPEED CONTROL - Fine-tune ventilation noise and airflow with the built-in dial on the power cord.
POWERFUL 342 CFM AIRFLOW - Maximize fresh air circulation and odor extraction effortlessly.
COMPACT LIGHTWEIGHT DESIGN - Easy to install and maintain in tight grow tents, attics, or basements.
ETL CERTIFIED SAFETY DURABILITY - Reliable, code-compliant performance you can trust for professional-grade ventilation.

The TerraBloom 6 Inch Inline Fan delivers a robust 342 CFM airflow with a built-in speed controller for customizable ventilation. Lightweight and compact at just 5.5 lbs, it’s designed for versatile indoor use including grow tents, attics, and basements. ETL listed for safety, this fan ensures efficient odor extraction and fresh air circulation with easy installation and maintenance.

Specifications

ASIN	B06X3VDXVF
Air Flow Capacity	130 Cubic Feet Per Minute
Blade Length	4 Inches
Blade Material	Plastic
Brand Name	TerraBloom
Collection Name	Fans
Colour	Black
Connector Type	Two-pronged (NEMA 1-15) plug
Control Method	App
Controller Type	Button Control
Country of Origin	USA
Customer Reviews	4.3 4.3 out of 5 stars (194)
Electric Fan Design	Exhaust Fan
Finish Type	Unfinished
Form Factor	Cylindrical
Global Trade Identification Number	00744881610216
Included Components	Cord
Indoor Outdoor Usage	Indoor
Installation Type	Permanent
Is Electric	Yes
Is Product Cordless	No
Item Dimensions D x W x H	29.2D x 20.3W x 20.3H centimetres
Main Power Connector Type	Two-pronged (NEMA 1-15) plug
Manufacturer	TerraBloom
Material	Plastic
Model Name	TB-MFIF-4
Model Number	TB-MFIF-4
Motor Type	Brushless
Mounting Type	Window Mount
Noise Level	32 Decibels
Number of Blades	10
Number of Packs	1
Number of Power Levels	2
Part Number	TB-MFIF-4
Power Source	Corded Electric
Recommended Uses For Product	Exhausting, Ventilating
Reusability	Reusable
Room Type	Kitchen
Size	4" Inline Fan (188 CFM)
Special Features	Lightweight, Waterproof
Specification Met	ETL
Speed	2550 RPM
Style	Modern
Switch Type	Push Button
UPC	744881610216
Unit Count	1.0 count
Wattage	60 watts

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