Not accepting return for used machine. 

Includes:

• Suction Engine
  
• Plasma Generator and UV-C light
• Moisture Separating Device to remove moisture
• Stage 1 - Large Particle Filter (replace every 3 months)
  
• Stage 2 - Medium Particle Filter (replace every 3 months)
  
• Stage 3 - HEPA H13 Medical Grade Filter (0.3 um 99.95%): replace every 6 months
  
• Stage 4 - HEPA H13 Medical Grade Filter and Active Carbon Filter neutralizes remaining odors (replace every 12 months)