AllerAir AirMedic Pro 6 Plus Air Purifier with UV Dental Source Capture
Allergy Purifiers LLC offers only the highest rated, most effective
 HEPA Carbon Air Purifiers and Filters for Allergy Relief, MCS,
Asthma Relief, VOC, VIRUS, Chemical and Odor Removal.

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and Understanding Ozone Depletion

We have many models available with a built in 48 hour timers.  This time will allow operation from 1 second to 24 hours.

Shock treatments need to shut the ozone off before entering the area.

Optional: 7 day programmable timer allows the generator to turn on at different times on different days of the week, for Shock treatments lasting more than 24 hours or for several days.  The timers we offer have several advantages

  • great functions - easy to use.

  • This timer is better and more versatile than built in timers of competitors models

  • more than a 2-4 hour timer is often needed for most shock treatment applications

The UV PRO 2800, and UV PRO 4000 come standard with a built in 48 hour timer.  The PRO 3600 V1, PRO 3600 V3, PRO 3600 V4, PRO 3600 V5, PRO 5,000 V, and PRO 9,000 are available with, or without a timer.

  • Many competitor timers do not go past 2 hours, or go for even less time than this!

  • For most shock treatment needs, and for professionals in the business of fire restoration, flood restoration, and mold redemption, these timers would not be used as more time is usually needed for larger tasks or thorough bacteria, virus, and mold killing.

Understanding Ozone Depletion

It is a myth that ozone will only be active for a 30 minute period.  Ozone has a "half-life" of 30 minutes, which means, under normal conditions, that 50% of an amount of ozone is usually converted back into oxygen in 30 minutes, and again, 50% of the remaining amount of ozone is usually converted back into oxygen for each subsequent 30 minute period - and so the amount of ozone is being cut in half every 30 minutes.

Ozone is built up in concentration in much the same manner in which it is depleted, however, when performing shock treatments, the first couple 30 minute intervals or so will  actually build the ozone concentration slower than the subsequent 30 minute periods.  This is because the ozone reacts or depletes much more rapidly in the presence of contaminants, such as smoke, mold, bacteria, chemicals, and other impurities.  Larger concentrations of ozone can be achieved over several hours to days if needed for heavily contaminated areas.

So if a competitor claims that ozone will be gone in 30 minutes, or that it is useless to shock treat for more than 30 minutes or an hour, it is now easy to understand this claim is either made from a simple lack of knowledge, or to gain more sales and help sell units with inadequate built-in timers. 

Ozone is depleted much more rapidly in high temperatures, than in low temperatures.  At COLD temperatures, such as freezing, ozone may not be depleted for over 30 Days.  It is important to use ozone in temperatures above 60 degrees Fahrenheit.


Do aggressive competitor statements have you concerned about anything?
Read our Informed Decision page for answers and resolution of many issues.

24 hour - one shot programmable timer pictured; has now been replaced with a new upgraded 48Hr timer standard on many models.


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AllerAir HEPA Carbon Air Filter Allergy Purifies for Asthma MCS, VOC, Odors, Hospitals, clean rooms, dental offices, and anywhere the maximum degree of filtration is required. offers a large selection of purification products.

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The Ozone Generators offered on the o3ozone site are designed, manufactured and labeled for Industrial Use Only.

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