Product Description

The Negative Air Machine is a portable filtration system that draws air in from the surrounding environment and passes it through an advanced filtration system. The unit removes airborne particles like dust, mold spores, pollen, pet dander and miscellaneous debris.

The Kontrol Kube Negative Air Machine offers the perfect combination of power, efficacy, and convenience. Weighing in at 44 lbs., this negative air machine delivers a variable speed up to 500 CFM with the HEPA filter installed. Vital to all containment systems, it ensures all dust is captured, and is designed to work seamlessly with the Kontrol Kube Mobile Containment Unit. Featuring a DOP Stage 2 Pre-filter this unit ensures effective filtration in a single pass.

  • 250 - 500 CFM (variable speed)
  • 12" ductable intake
  • Lightweight, durable rotomolded construction
  • GFCI protected accessory outlet
  • 25' power cord
  • 3 stage DOP compliant HEPA filtration
  • Filter change indicator light
  • Includes a 5' length of flex duct for attachment to containment unit
  • 1 Year Limited Warranty

The Kontrol Kube Negative Air Machine comes equipped with the following filters installed:

  • First Stage Pre-Filter - High quality filter restores negative air machines to full efficiency. Replace regularly to ensure maximum performance.
  • Second Stage DOP Compliance Filter - The addition of the 2nd stage DOP Filter Kit ensures one pass HEPA filtration. This filter allows the Kontrol Kube Negative Air Machine to pass laboratory DOP testing conducted per ANSI standards, achieving an efficiency rating of 99.97% against oily aerosol particles down to 0.3 microns.
  • HEPA Filter - Kontrol Kube HEPA Filters combine filtration ability with filter capacity. To maximize filter life be sure to change the first stage pre-filter regularly.


  • Air Flow: 250 to 500 CFM with variable speed control (with filters in place)
  • Power: 115V, 60 Hz, 12 amp circuit breaker
  • Motor: Impeller with thermal overload protection rated for 1000 CFM. 3 amps
  • GFCI Outlets: 9 amp auxiliary outlet (12 amps with unit off)
  • Power Cord Length: 25’
  • Dimensions: 24.6” x 26.2” x 18.2”
  • Weight: 44 lbs
  • Duct Size: Intake: 12" - Outlet: 8"
  • Exhaust Port: 8"
  • Daisy Chain: Plug three units together – provides up to 1500 CFM
  • Housing: Rotomolded polyethylene
  • Fire Rating: Passes flammability testing UL94
  • Filter Change Light: Indicates when Primary (HEPA) filter needs to be changed
  • Safety Marks: UL/C-UL Listed
  • Filtration: 3 Stage DOP Compliant HEPA
      • Pre Filter (included)
      • DOP Filter (included)
      • HEPA Filter (included)
      • Carbon Filter (optional)

The manufacturer does not supply any exhaust tubing to the negative air machine. Exhaust port is 8", so 8-9" diameter ducting is recommended.


Manufacturer Fiberlock
Actual Product Weight 44 lbs
Country of Manufacture United States
Item Ships From Massachusetts


(Size: 1.8 MB)


Merchandise may be returned within 30 days of product shipment date, written Authorization must be requested by Customer Service. No returns accepted without prior authorization. Customer is responsible for return freight. All merchandise returned is subject to a minimum 25% restock fee. All merchandise returned must be in original unopened containers and must be in good, saleable condition.


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