Skip to main content
Lasko Products Help Center home page
Submit a request
Sign in
  1. Lasko Products
  2. Air Purifiers

Air Purifiers

Safety

  • Can I leave my Guardian air purifier on 24/7?
  • Do Guardian products create ozone?
  • What safety testing goes into a Lasko air purifier?
  • Ozone in Lasko Air Purifiers?

Product Info

  • AC5900 Hepa Reset Indicator Light
  • How do I know if the UV light is on Guardian AC4100
  • What is the difference between the HEPA and charcoal/carbon pre-filter? Will I get both when I order a new filter?
  • What certifications do Guardian Air Purifiers have?
  • What is HEPA?
  • Where should I place my Guardian air purifier?
See all 23 articles

Troubleshooting

  • Guardian air purifier not blowing air but there is power to unit (lights illuminate)
  • Guardian Air Purifier is Making Noise
  • AC9400W Power Indicator Light Flashing
  • Air Purifier is stuck on speed 5 (AC5350/AC5250PT)
  • AC9400W Filter Not Fitting Correctly (FLT9400, Filter K)
  • How to order an Air Purifier part online through our online part store
See all 22 articles
Lasko Products
Powered by Zendesk