The OmniAire 2500 Prime is a construction-grade negative air machine with the potential for optimal airflow performance. The machine comes standard, with a 6" Deep HEPA filter, 99.97% efficient at 0.3 microns, but it reaches the full CFM potential when operated with the optional 12" deep HEPA filter. There are many accessories available to support the machine's operation, most notably, the replaceable duct ring. Other options include pre-filters with anti-microbial treatment and tackifiers. Adapting the OA2500 for various applications is easy, thanks to the availability of alternative pre-filters like poly pads, framed pleated filters, activated carbon filters and specialized Bag Filters designed to handle substantial volumes of construction dust. The 2-speed OA2500 Prime can be used to create positive or negative air pressure containment areas for mold, asbestos and lead abatement projects, silica containment on construction sites, restoration projects after water/fire damage, health care facilities undergoing construction and many other applications. The OA2500 Prime features a lightweight yet robust housing crafted from aircraft-grade aluminum, combining exceptional mobility with an easy-to-clean surface providing extended operational longevity. Carefully manufactured with silicone sealing to fortify seams, this device safeguards against airborne contaminants bypassing the HEPA filter, improving performance. This model holds UL/CSA Safety Certification and features a thermal protection overload monitor, guaranteeing 24/7/365 safe operation.