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Air Box 4 Stealth 2000 CFM 10" Flanges Carbon Inline Filter, Pre-Filter Included $ 869.95
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Air Box 1 Cartridge

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Air Box 1 Refill Cartridge (1 filter per/order) $ 72.95

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Air Box 4+ Stealth 3500 CFM 12″ Flanges Carbon Inline Filter, Pre-Filter Included

Rated 5.00 out of 5 based on 2 customer ratings
(2 customer reviews)

$ 1,039.95

  • Easy to install, use and maintain
  • Adaptable to any duct/ filtering system
  • Replaceable high-flow carbon filters
  • 100% premium activated coconut charcoal
  • 100% air tight, continuous worry-free operation
  • Commercial, industrial and residential applications
  • Made in the USA

Discount per Quantity

Quantity 1 - 9 10 - 19 20 - 50
Price $ 1,039.95 $ 987.95 $ 935.96
% Discount - 5% 10%
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SKU: AB04+ Categories: Air Box Models, Air Box Stealth Tags: air box4+, asthma, Cigarette Smoke, Classrooms Households with Children, hydroponics, Odor Removal, Pollen, Wood Smoke Brand: Air Box
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Spec Sheet
  • Description
  • Additional information
  • Reviews (2)
  • Shipping & Delivery
  • How to calculate CFM
  • Product Capacity
Description

Technical Specifications


Air Box original, premium commercial-grade, high-flow carbon filter. Obliterates excess heat, destroys odors and circulates fresh air! Replaceable filters can be changed to maintain optimal performance.

Air Box Set-ups


Inline fans obliterate excess heat and humidity and circulates healthy fresh air. They bring the temperature and humidity down, pushes or pulls odors and other pollutants and pathogens through your air filters.

In an enclosed space, air temperature will be hotter than the environment outside.

Using an active exhaust fan to bring in cooler air will help you regulate the internal temperature. The location of your space will affect how hard your inline duct fan will work, which is largely dependent on how well your space is insulated.

A

Fan Outside / Filter Inside

B

Fan / Filter Inside

C

Filter Outside / Fan Inside

D

Fan & Filter Outside
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Additional information
Recommended Airflow:

1500 @ 0.05 sec contact time

Recommended Minimum Airflow:

1000 cfm

Maximum cfm:

3500

Residence Time @ Recommended CFM:

0.04

Pressure (W.G.) @ Recommended CFM:

1.2 W.G.

Inlet/Outlet size:

12"

Compatible FANS:

Ruck S-Prime 12”, Ruck 12″ Prime Evo and Ruck Prime 12”

Prefilter:

Yes

Number of Cartridges:

4 XL

Flange:

12"

Unit size:

32”x 17.5” x 15”

Outlet size

12"

Total Weight:

120 lbs

Cartridges Size:

16” x 24” x 1.5”

Maximum Operating Temp:

176 F

CTC rate:

60

Air flow type:

Designed to push or pull the Air

Reviews (2)

2 reviews for Air Box 4+ Stealth 3500 CFM 12″ Flanges Carbon Inline Filter, Pre-Filter Included

  1. Todd B. – February 2, 2023

    Rated 5 out of 5

    We installed an Ruck S-Prime 12″ Inline Fan on an exhaust system for a laser cutter/engraver. It was paired with a Air Box 4+ Carbon Filter, which I have reviewed separately. The exhaust system was partially installed during the build-out of an in-house model shop at an architectural firm. Basically, the duct was installed for a portion of the run but fan, filter, and machine connections were not provided. The configuration of the existing ducting was long, convoluted, and undersized. We were concerned about the capability of the system to provide the airflow we were after. Our solution was to increase the duct size over the last section of the system, and install an oversized fan and filter at the end. We were attracted to the Ruck S-Prime Fan for its specifications and simple elegant design. While not made in the USA, the fan’s German origin supported our opinion that it was of high quality. The fan and filter have now been installed and we are very pleased with the air flow provided. More impressive is the quietness of the fan when in operation. It is no problem to have a normal conversation when standing directly under the fan. Our dust collector is significantly louder even though it is located in a separate room. An excellent product.

  2. Todd B. – February 2, 2023

    Rated 5 out of 5

    We installed an Air Box 4+ Stealth Filter on an exhaust duct for a laser cutter/engraver. The existing duct configuration was leas than ideal due to it’s length and quantity of elbows. We wanted to maximize the airflow yet still wanted an effective filter to eliminate odours associated with laser cutting before being exhausted to the outside. We were impressed with the “folded” configuration of the Air Box charcoal filters which provide a much larger filter surface area and subsequent airflow than a typical stacked filter. The quality of construction is excellent, and we appreciate that Air Box filters are made in the USA. The only questionable feature is very minor. The filter is decorated with a large Air Box 4+ decal. I am generally not a fan of providing free advertising for our equipment manufacturers but can see the value in displaying the company info when the time comes to replace filters. I am also oddly proud to have an Air Box filter in our shop.

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Shipping & Delivery

Shiping Note:

ALASKA, HAWAII, PUERTO RICO: a delivery surcharge will apply to these locations. We will notify you before your order ships.

Order processing can take up to (5) business days for Air Box units and replacement filters and up to (4) weeks for custom-built units. We are prioritizing orders for essential services which include government, schools and healthcare industry.



Shipping costs may vary on shipment date due to fluctuating fuel costs and other carrier surcharges. We are doing all we can to ship your orders sooner and at the lowest freight cost possible, thank you!

When Ordering Bundles ( Fans + Air filtration units) order will be shipped separately from 2 different locations. One product might arrived first than the other.

For Air Box shipping policy go here

How to calculate CFM
To calculate the CFM (cubic feet per minute) you need for a room, you can use the following formula:

CFM = (room volume * number of air changes per hour) / 60

 

Room volume is the cubic footage of the room. To calculate this, multiply the length, width, and height of the room.

Number of air changes per hour is the number of times you want the air in the room to be replaced in an hour. (A good rule of thumb is to aim for 2-3 air changes per hour).

60 is the number of minutes in an hour.

 

For example:

If a room is 10 feet long, 12 feet wide, and 8 feet high, the room volume would be 960 cubic feet. If you want the air in the room to be replaced 2 times per hour, you would need a fan with a CFM rating of 320.


CFM = (960 cubic feet * 2 air changes per hour) / 60 minutes per hour = 320 cubic feet per minute

 

It is important to note that this is a general formula. The actual CFM requirements to ventilate a room may vary depending on a number of factors, such as the number of people in the room, the activities taking place in the room, and the type of ventilation system in the room. If you are unsure how many CFM you need, it is always best to consult with a professional.

 

Here are some additional factors to consider when calculating CFM requirements:

 

  • The number of people in the room. The more people in the room, the more CFM you will need to remove the stale air and replace it with fresh air.
  • The activities taking place in the room. Activities that generate heat, such as cooking or exercising, will require more CFM to remove the hot air and replace it with cooler air.
  • The type of ventilation system in the room. If the room has a natural ventilation system, such as open windows or doors, you will need less CFM than if the room has a mechanical ventilation system, such as an air conditioner or furnace.
  • Type of filter being used. CARBON filters and HEPA filters have different CFM requirements, make sure you check the specs closely

 

By considering all of these factors, you can determine the correct CFM requirements for your room and ensure that you have the proper ventilation to keep the air fresh, healthy and clean.

 

Product Capacity

  • Asthma
  • Pollen
  • Wood Smoke
  • Cigarette Smoke
  • Odor Removal
  • Classrooms and Households with Children
  • Laser Cutting

3 Components of Poor Indoor Air Quality

Particulates – Very small solid or liquid substances, such as inorganic / organic compounds and dormant / living organisms, that are light enough to float in air.

Microbial – This category represents germs, viruses, and bacteria. These small organisms can only be seen through a microscope, and are present in every environment.

Chemical (Gaseous) – Hundreds of gaseous pollutants, covering all combustion gasses and organic chemicals (VOC’s), have been detected in indoor environments.

Health effects vary widely and depend on the types, concentrations, frequency and duration of exposure.

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STOCK AVAILABLE

Air Box 4+ Stealth 3500 CFM 12″ Flanges Carbon Inline Filter, Pre-Filter Included

Rated 5.00 out of 5
$ 1,039.95
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