NUWAVE OxyPure Zero Bio-Guard Air Purifier, Never Purchase Replacement Filters Again, Cleans 1000 sq.ft., Captures and Eliminates Dust, Pollen, Pet Dander, Lead, Formaldehyde, Gases, VOCsThe NUWAVE OxyPure ZERO Air Purifier features an advanced Dual 4-Stage Filtration System that can eliminate up to 99.97% of bacteria and 99.99% viruses in the air. The OxyPure Zero features dual-side air intake so you can enjoy clean air no matter where you have your OxyPure sitting in your room. NUWAVE OxyPure Zero Bio-Guard Air Purifier, Never Purchase Replacement Filters Again, Cleans 1000 sq.ft., Captures and Eliminates Dust, Pollen, Pet Dander, Lead, Formaldehyde, Gases, VOCs. No Filter Replacement; Permanent Filters; Washable Filters; Reusable FiltersAIR PURIFIER FOR LARGE HOME & ROOMS: Smart Air Purifier cleans over 1000 sq feet of lead, mold, dust, pollen, moke, pet dander, allergens, bacteria, viruses, gases & volatile organic compounds, so every breath your family takes is cleaner (2 air exchanges per hour).ZERO REPLACEMENT FILTERS: OxyPure Zero Smart Air Purifier is the first of its kind in requiring absolutely no replacement filters.BIO-GUARD TECHNOLOGY: The one-of-a-kind Bio-Guard Filter removes particles as small as 0.1 microns, eliminating 100% of dust, pollen, smoke, ozone and more.Wi-Fi CAPABILITIES: The NuWave OxyPure Smart Air Purifier saves on energy with its energy-efficient smart-touch controls and auto-monitoring capabilities that can be remotely monitored and controlled from anywhere in your home with your Wi-Fi-enabled smart device.BETTER SLEEP & WHISPER QUIET: The NuWave OxyPure Air Purifier helps you sleep better by eliminating airborne allergens and pollutants that can irritate your sinuses, nasal passages and lungs; while the whisper-quiet Sleep Mode helps promote ideal sleeping conditions only.