The industry standard for negative air machines, OmniAire sets the bar high with this compact and powerful unit. The OA2500 Plus excels in a wide range of environments, from construction projects to mold, asbestos and lead abatement. Its exceptional performance makes it suitable for commercial facilities, factories and medical establishments alike. The OA2500 Plus has a lightweight yet durable aircraft-grade aluminum housing that ensures mobility while delivering long-lasting performance. With meticulous silicone sealing of critical seams, this machine protects against contaminated air bypassing the HEPA filter. With 2-speed options of 1600 and 2500 TrueCFM, the OA2500 Plus offers the flexibility needed for a wide range of applications. The HEPA filter, measuring 12 inches in depth and achieving a 99.97% efficiency at 0.3 microns, ensures superior filtration. For added convenience, the Plus model has an optional audible alarm to monitor HEPA filter status. Thanks to alternative pre-filters like poly pads, framed pleated filters, activated carbon filters and specialized Bag Filters designed to handle substantial volumes of construction dust, adapting the OA2500 for various applications is a straightforward process. This model provides a run (hours) meter to manage maintenance intervals, holds UL/CSA Safety Certification and features a thermal protection overload monitor, guaranteeing 24/7/365 safe operation.