AJ Manufacturing

About AJ Manufacturing

For over 50 years, AJ Manufacturing has been a leader in custom and standard stainless steel air distribution products for hospitals, laboratories, pharmaceutical facilities, and other critical environments. We specialize in designing and manufacturing solutions that meet each project's unique requirements and challenges. Our Criti-Clean Ultra laminar flow HEPA filter diffuser continues to lead the industry with a maximum output of 1,200 CFM and features including high energy efficiency, a low 13.7-inch plenum height, real-time CFM measurement and reporting, room-side accessible HEPA filters, and optional integrated LED lighting. Beyond the Criti-Clean Ultra, our extensive product line includes a wide range of diffusers, grilles, dampers, louvers, and other engineered air distribution solutions designed for critical environments.