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NC Filtration Pad Pre-Filters 18"x24"x0.5"

NC Filtration Pad Pre-Filters 18"x24"x0.5"

$29.50Price
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Extend the life of your HEPA filters by using first stage polyester pre filters. These should be changed daily and dramatically increase the lifespan of your HEPA filter and your negative air machine. These Polyester 'Pad' media filters are the first line of defense against capturing hazardous asbestos, lead, mold and silica dust in a Negative Air Machine or Air Scrubber. 


The 18” x 24” x 0.5” 1-Ply Pre-Filter Pad is designed as the first line of defense in your air filtration system. Engineered to capture and remove large airborne particles (10 microns and larger), this economical pre-filter helps extend the lifespan and efficiency of your secondary and HEPA filters.


Ideal for use in commercial air scrubbers, negative air machines, and other industrial filtration units, this pad offers reliable performance by reducing premature filter loading. Constructed from high-quality media, it supports consistent airflow and system performance in demanding environments.


  • SUPERIOR DUST CAPTURE: Improve your air purification with our pre-filter pad designed to capture larger particles like dust and pet dander. This negative air machine filter pad boosts the efficiency of your HEPA filter by preventing debris from reaching the main filter.

  • EFFECTIVE PROTECTION: Ideal for heavy-duty tasks, this negative air machine filter ensures air filter work is effective during dust. The pre-filter for HEPA extends the life of your main filters, ensuring a cleaner and safer environment.

  • HIGH-EFFICIENCY DESIGN: Our pre-filter for large particle is designed to trap pollutants and dust before they reach the HEPA filter. This pre-filter replacement maintains high air quality and operational efficiency, suitable for both industrial and commercial use.

  • VERSATILE COMPATIBILITY: This Pre-Filter for negative air machines fits various models that use a 18"x24" Pad Filter The air filter pre-filter pad provides superior protection against pollutants, making it an essential for effective air filtration systems.

  • DURABLE CONSTRUCTION: Made from high-quality materials, this heavy-duty air filter pad offers long-lasting performance. The white air filter pad is designed for use in industrial settings, efficiently handling dust collection and air purification tasks.


18"x24"x0.5" Filters can be used in the following Machines:

  • Abatement Technologies PAS2400 and H2500C

  • Aerospace America Aeroclean 1900 Magnum

  • NC Filtration 1900 Series

  • Syclone 1900 CFM Negative Air Machine


Plus any other Negative air machine, air scrubber or dehumidifiers that use 18"x24" filters,


This disposable pre-filter pad is a cost-effective and essential component for maintaining clean air and proper machine operation in hazardous or controlled environments.

  • Size: 18"x24"

  • Quantity Per Case: 40 Filters

  • 36 cases per pallet

  • Please note: These are expensive to send as one parcel- please bulk buy and send LTE for the most cost-effective cost.

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