The high-efficiency 26 filter collects 99.8% of all particles 0.5 microns and larger before returning air to the facility.? By capturing, cleaning, and recycling contaminated air, the Fred Eco works as a heat recovery device, helping you keep energy costs down.? 1 HP TEFC, 800 CFM blower with a pre-installed mounting bracket26" reusable cartridge filter with mounting hardware10' x 6" diameter externally articulated extractor armRotary Starter [120 VAC] with 15' Power Cord included