Do I need to replace any filters?
It is recommended that you change the HEPA and Charcoal filter (combined as one filter) every 6 months (depending on use) to maintain an optimal level of air purification in your home.

Where should I use the product?
This product is recommended for indoor use only.  Most people like to put the unit in rooms of their house where they spend the most amount of time such as the living room, bedroom and kitchen area. It’s great to have with you at work too.

How much does the Germ Guardian ^TM Hygia 4.0 cost?
The Germ Guardian ^TM Hygia 4.0 (model: AC-4000) retails for $99.00 USD. Click here to learn where to buy .  

How long is the warranty?
The warranty is 1-year limited. For detailed warranty specifications please refer to the warranty section in the instruction manual.

Where can I purchase a Germ Guardian ^TM Hygia 4.0?
Click here for a list of our retail partners.

If you have further questions,
please contact us at 1-866-603-5900.