Ozonics HR 200 vs 300 – Comparison of 2023

Hunting has evolved a lot in recent years. Technology has allowed hunters to have a better time in the field and has made a difference in how it is conducted.
One of the most notable innovations is the assistant technology that helps keep the game from smelling or noticing the hunters. This helps increase the chance of taking home a price and reducing the frustration of not catching anything even with great exertion of effort.

We will compare Ozonics HR 200 and 300 head to head and see what the most notable differences between the two are.

Ozonics HR 200 or 300 Electronic Scent Eliminator

Since the HR 300 is a more modern counterpart to the HD 200, you might expect that it is way better in a lot of ways. But that would not be fair since the HD 200 still has some merits of its own.


Both Ozonics HR 200 vs 300 models have normal and boosted modes that are used on ground blind and tree mount, respectively. This is to say that they are both suited for any type of environment. What is different, though, is the additional feature of the HR 300.

You can use the more modern version in conjunction with another feature called DRiWASH, which is a technology that focuses on removing scent on your gear.


The HR 200 has a flatter console compared to the HR 300. While both are functional and work great, the more tactile design and easy-to-press buttons on the HR 300 make it a better choice if you want an easy-to-control device.

Oxidant Dispersion

Since they improved the HR 300 to produce 45% more and thus covering more ground for scent removal, the HR 200 still does a great job at masking your trail scent. You will just find that the HR 300 works better in more harsh weather and wind.

Ozonics HR 200 vs 300 Comparison in 2023

Ozonics HR 200

Ozonics HR-200 Electronic Scent Eliminator

As with most deer hunters, your scent can give you away. Which is why it is important that you are able to mask it properly. This is where portable ozone machines come in. And this particular machine is powered by a lithium-ion battery, which is why it is convenient enough to be carried around.

You can set this on a tree or on the ground with ground blinds depending on the situation and the environment you are hunting in. It produces a steam of ozone, which reduces the hunter’s scent plume and makes it hard for animals to detect your smell.

When you set this device, you will get two modes. Standard for when you set it up on the ground and boost most for when you put it up on a tree. The battery life of this device lasts up to 5 hours, which is plenty of time when you’re hunting.

This device uses a small fan to circulate the air and ozone around your area. The fan is dead quiet, which is why you can turn this on and not worry about it, alerting the animals around you.


  • Effective in masking scent
  • Quiet operation
  • Stealthy color
  • Different modes for different applications


  • Doesn’t work as well when the wind picks up or in harsh weather conditions

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Ozonics HR 300

Ozonics HR300 Ozone Generator for Hunting with Boost Output Setting | Ozone Scent Control Device...

This one is an upgrade to the previous generation. It comes with modern features that provide more options and practicality to the users. And it has the same effectiveness in blanketing your scent, and it does a bit more. In fact, it can have 45% more output than the HR 200.

Additionally, it has an Integrated Pulse Technology. Which balances its output to make sure that only the proper amount of oxidant is deployed. It also has a smart battery design that optimizes battery life for long hours of operation.

They improved the user interface in this unit. It is more intuitive and easier to understand and can be used even with gloves or even when you’re in the dark. You can still set this on a tree or on the blind. It is a lightweight and portable unit that can fit in your backpack.

With a powerful battery, you can use this throughout your hunting. Also can rely on it to function well every time. If you are a serious hunter, this is an investment worth making since you will gain an advantage every time you settle in and wait for your game.


  • Produces 45% more compared to the HR 200
  • Integrated Pulse Technology balances the oxidant output
  • Quiet operation
  • Intuitive and easy to access interface


  • A bit pricey

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Frequently Asked Questions

Here we have the most commonly asked queries regarding the differences between Ozonics HR 200 vs 300:

Is ozone safe?

These devices are made to meet the standards of federal safety agencies. It can be said that the majority of people are immune to non-fatal symptoms. A small portion of individuals may get watery eyes or lightheadedness in its presence, but as it is recommended to use these devices in well-ventilated areas, the effect is very small.

What’s the best way to set up these devices?

You want to set this in a well-ventilated area where the concentration is on the downwind of your setup and where you are not exposed to it.

Can I use these devices to deodorize my gear and equipment?

Yes. Ozone is a well-known deodorizer and can be used for de-scenting clothing and equipment.

Can I use these units when it’s raining, foggy, or in the snow?

The components inside these devices are not meant to be used in wet conditions as they are not waterproof. They are designed to function well in dry conditions, and this should only be used and operated in ideal conditions.

How can I use the unit if there is swirling wind?

The units still work even with strong winds. But in order to get the best results in such weather conditions, try to chase the wind. This means to direct the unit as close to the hunter as possible.


New technology like this one is still being developed, and you should expect it to become more and more appreciated by people in the future. This is why if you’re skeptical about using these, it may be the right time now for you to go and invest in one.