Laminar flow HEPA/ULPA filter diffuser

Featured Product from A-J Manufacturing Co., Inc.

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Criti-Clean Ultra
Criti-Clean Ultra: We re-designed and re-engineered our popular Criti-Clean fan powered laminar flow HEPA filter diffuser to maximize both CFM and energy efficiency. Our new Criti-Clean Ultra has the highest CFM output on the market (up to 1200 CFM for our 48″x24″ model), is more energy efficient (only 42 watts at 90 FPM velocity/ 450 CFM), and is incredibly quiet (only 45 DBA at 90 FPM, 58 DBA at 1100 CFM). Plus, the new unit has all the same great features and options as the original.
Our Criti-Clean Ultra fan powered laminar flow HEPA filter diffuser not only meets USP 800 air change and leak test requirements, it does so in the lowest height unit available on the market – just 13.7″. That makes it easier to retrofit Criti-Clean Ultra into existing pharmacy environments, maximizing often-limited ceiling space.
But even with its lower profile, Criti-Clean Ultra still offers higher CFM output than competitive models. The Criti-Clean Ultra comes standard with built-in features and options like built-in LED lights that make even better use of limited ceiling space. It’s easy to see why Criti-Clean Ultra is the smartest choice for USP 800 compliance projects.

Additional Features

  • Constant airflow up to 1200 CFM to meet USP 800 air change requirements
  • Powerful, computer-controlled, variable speed ECM motor
  • Unique all welded plenum meets stringent pressure and leak testing requirements
  • Quiet operation – only 45 DBA at 90 FPM, 58 DBA at 1200 CFM
  • HEPA or ULPA filter with room-side access
  • Type 304 stainless steel construction
  • Room-side digital CFM display and adjustment control offers instant visual verification, and can be set or adjusted in seconds
  • Sizes: 48″x24″x13.7″, 36″x24″x13.7″, 24″x24″x13.7″
  • Voltages: 120, 208, 240 and 277


Specifications & Technical Details


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Watch how we design and manufacture our custom and standard air distribution products in our state-of-the-art, lean manufacturing facility. We specialize in stainless steel products for critical environments, providing just-in-time delivery to meet customer needs.