Explore our Commercial HVAC Products and Learn More About AJ Manufacturing

AJ Manufacturing leads the industry in custom and standard stainless steel air distribution products for industries requiring critical environments. Our video collection shares details about our production capabilities and specialty products designed to meet the challenges of your project.

Criti-Clean Ultra Fan Filter Unit

Our newly redesigned Criti-Clean Ultra has the highest CFM output on the market (up to 1100 CFM on our 48”x24” model). It’s exemplary energy efficiency (only 42 watts at 90 FPM velocity/450 CPM) makes it one of our most popular laminar flow HEPA filter diffusers.

It’s incredibly quiet and has all the same great features and options as our original fan diffuser.

Built-in LED Lighting

Our LED HEPA Laminar Flow Diffuser pulls double duty, providing a bright light source for your critical environment without affecting the performance of the diffuser’s air flow.

Order the energy-efficient LED lighting with numerous options, including a dimmable driver, battery backup, or green-toned LEDs for hospital applications. Learn more about its special features in the video; we’ve thought of everything!

Stainless Steel Air Distribution Product Overview

See how our lean manufacturing facility in Kansas City, Missouri designs and produces standard air distribution products with timely delivery to meet our customers’ project needs.

HEPA Filtration Testing

Every filtration unit we sell undergoes rigorous testing before shipping. This ensures each product meets our quality standards and your expectations for safety and function. Qualified engineers perform every test to ensure every product meets the IEST-RP-CC034.3 code.

Explore our testing station.


See our engineer conduct a HEPA filtration test

Our Air Distribution Manufacturing in Action

Our business is built on guaranteed precision and lean manufacturing processes. See how the expert fabricators at AJ Manufacturing build stainless steel air extractors, stainless steel supply grilles, HVAC diffusers, and more.


Critical Thinking for Your Critical Environment

Painstaking precision. Custom design. Rigorous testing. See the difference AJ Manufacturing makes.

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