The Biozone 1000 gives you the best value for your money with a 3-speed air purifier that can be adjusted for rooms up to 1000 sq. ft.  If you have forced air heating, just place it by your cold air return, and purify your whole house.  Imagine clean fresh air and reduced colds and allergies.  People are using them in their home, office, school,  dentist and doctor's offices.  Prices in US dollars.

The Biozone 2000 gives had the same features as the Biozone 1000, except it covers 2000 sq. ft.  The higher levels of photoplasma destroy smoke, chemical fumes and other polutates at a faster rate than the Biozone 1000. 

The Biozone 3000 gives had the same features as the Biozone 1000, except it covers 3000 sq. ft.  The higher levels of photoplasma destroy smoke, chemical fumes and other polutates at a faster rate than the Biozone 1000 and 2000, making it ideal for clearing a Smokey Kitchen, Dentursit Offices, Nail Salons, Smoking Rooms, and Welding Shops with higher levels of chemical fumes or smoke.