【3-Stage Filtration System】 The XTREWAY hepa air scrubber adopts advanced three-stage air filtration system. Its high-performance MERV-10 pre-filter traps dust and large particles, while the HEPA and carbon filters capture 99.97% of particles as small as 0.3um. This air scrubbers for home can quickly improve indoor air quality, and bring a more comfortable living environment. For purifying hospital wards or children's bedrooms with poor air quality. 【Powerful Airflow and Ultra Low Noise】This commercial air purifier is equipped with advanced DC inverter motor, achieving stepless speed adjustment from 0 to 800 (CFM), capable of covering a space of 7500 cubic feet. The operating noise is as low as 58 decibels. Air scrubber is suitable for indoor decoration and demolition projects. 【Industrial-Grade Durability】This industrial air purifier features an ultra-rugged exterior, suitable for construction sites, sewage restoration, water damage restoration and fire damage repair. It also comes with a user-friendly control panel, knob-style airflow adjustment, timer reset function, and hepa filter replacement reminders. 【Portable & Stackable】With its ergonomic handle, this HEPA air scrubber moves effortlessly between rooms or workspaces. Units can be stacked horizontally/vertically and daisy-chained via the built-in GFCI outlets, linking up to 3 units for a combined airflow of 2,400 CFM, perfect for large-area purification. 【Worry-Free Warrant】Your Satisfaction Is Our Priority. Backed by a 2-year limited warranty, if you encounter any problems, please contact our 24/7 expert support team for instant troubleshooting. The XTREWAY X800 Air Scrubber utilizes advanced three-stage filtration system. Its high-performance MERV-10 prefilter captures dust and large particles, while the HEPA and carbon filters capture 99.97% of particles as small as 0.3μm, can quickly improves indoor air quality for a more comfortable living environment. This hepa air scrubber is equipped with DC inverter motor with stepless adjustable speed from 0-550 airflow to cover up to 5500 cu. ft. of space. Operates as low as 58 dBA with a maximum airflow of 550 CFM. Suitable for construction sites, sewage restoration, water and fire damage restoration. And daisy-chained via built-in GFCI receptacles, up to 3 units can be connected to produce a combined airflow of 1,650 CFM, ideal for purifying large areas.