dose it good for crystalline silica in quartz countertop shop?

I think it would be good to keep the dust down. However, I think you need to buy with an All Purpose filter not a hepa filter.

Does this come with a duct? Does it use a duct?

It comes with a Flange on the other end. You can attach ducting to the flange. Ducting is sold separately.

will this work for plaster and drywall dust? i have a big open room 10,000 square ft space demo the ceilings and making a lot of dust. how many units?

Yes you can use this machine. But you may want to look into a NOVF2105 General purpose machine. It will collect plaster and drywall dust more effective. Also what is your ceiling height? Knowing this will determine the cubic feet, that is necessary to calculate. Also what is the "change-out" requirements? Is it every 8 min, 20 min? Just by guessing if you have 10' ceilings and 10,000 sf = 100,000 cubic feet. With that calculations your looking at 6 machines for every 8 min.

Would this work in a wood shop?

Yes this will work in a wood shop. The 1st stage and 2nd stage will catch most of the large debris before going thru the 3rd stage heap filter.

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Novair F2100 Air Scrubber/Negative Air Machine 2000-1000 CFM with HEPA Filtration

Product ID: 35778080

Details

Brand
Novair UMICAM
Color
Burgundy
Control Method
Touch
Item Weight
0.27 g
Power Source
Corded

💨2000-1000 CFM airflow

🚚Portable with casters

🛡️True HEPA filtration

R110647

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

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Description

💨 Breathe Bold: Command Clean Air Like a Pro

MOBILE READY TO ROLL - Equipped with casters for effortless transport—deploy superior air quality wherever the job demands.
GENUINE HEPA FILTRATION - Captures microscopic contaminants and allergens, ensuring the cleanest air possible on every job.
INDUSTRIAL GRADE DURABILITY - Built tough to endure the harshest remediation and abatement environments without breaking a sweat.
POWERFUL AIRFLOW FOR LARGE SPACES - Delivers up to 2000 CFM, purifying air in spaces as large as 3,750 sq ft—breathe easy, anywhere.
DUAL FUNCTION NEGATIVE AIR MACHINE - Creates controlled negative pressure zones to prevent cross-contamination and keep work areas safe.

The Novair F2100 Air Scrubber/Negative Air Machine combines industrial-grade durability with powerful 2000-1000 CFM airflow and genuine HEPA filtration to purify spaces up to 3,750 sq ft. Designed for remediation and abatement professionals, it doubles as a negative air machine to contain contaminants, all while offering portability with built-in casters for seamless job site mobility.

Specifications

ASIN	B01EC607KU
ASIN	B01EC607KU
Best Sellers Rank	#2,328,936 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #1,627 in HEPA Filter Air Purifiers
Brand Name	Novair UMICAM
Color	Burgundy
Contaminant Filtration Capability	cigarette_smoke, dust, pet_dander, pet_hair, pollen
Control Method	Touch
Controller Type	Button Control
Customer Reviews	4.6 4.6 out of 5 stars (8)
Date First Available	April 7, 2014
Filter Class	HEPA
Filter Type	HEPA
Floor Area	3750 square_feet
Item Weight	0.27 g
Item model number	F2100
Manufacturer	Novair
Manufacturer	Novair
Model Number	F2100
Number of Packs	1
Part Number	F2100B2093697
Power Source	Corded Electric
Special Features	High Airflow and Versatility
Specification Met	HEPA Certified
Unit Count	1 Count

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R110647

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered 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 South Africa.

Secure transaction

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