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Air Sentry 300 – Open Box | UltraLux Health

Air Sentry 300 – Open Box

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Air Sentry 300 – Open Box

$315.00

Air Sentry 300 – Open Box

Short Description

This Open Box Air Sentry is like new! Get pure air at a discount, while supplies last!

Don’t settle for anything less than the crisp, clean air from the UltraLux Air Sentry 300! The Air Sentry 300 delivers the freshest air to a 300-square-foot space, no matter where you live. The Air Sentry 300 protects against:

  • Allergens such as pet dander and dust
  • Toxic chemical fumes
  • Bacteria and viruses
  • Harmful chemical particulates such as VOCs and PM2.5 particles
  • Bad odors

Embrace the power of pure air with the Air Sentry 300! Enjoy fresh, 99.97% contaminant-free air cycled every 10 minutes! When you use the UltraLux Air Sentry 300, you’ll notice the difference.

Availability: Available on backorder

Earn 630 points with this purchase!
Earn 315 points when you purchase this product!
SKU: AIR-300-1-OPEN
Available on Backorder

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The Risks of Unfiltered Air

There’s no doubt about it, air pollutants surround us. Some of these pollutants include toxic gases, mold spores, foul odors, dust, and allergens. If you’re struggling with brain fog, respiratory issues, or even productivity, it could be a result of polluted air inside your home, work, or other spaces. Some of these hazardous pollutants include allergens, VOCs, PM2.5 particles, toxic chemical fumes, and more. These contaminants can wreak havoc on the body, contributing to health problems from respiratory issues to organ failure.

Studies have shown that the average person spends 90% of their time indoors, and indoor pollution can be 2 to 5 times higher than outdoor air pollution. These statistics show just how serious of a threat air pollution is. Luckily, UltraLux Health has a solution to keep you and your loved ones breathing happy.

Introducing the Air Sentry 300

Say goodbye to air pollutants and body irritants with the UltraLux Air Sentry Line! UltraLux Air Purifiers were designed to give you the freedom and joy of clean air. The UltraLux Air Sentry 300 stands apart from other air purification processes by combining powerful filtration with faster air cycling speed, giving you better air, faster. The UltraLux Air Sentry 300 provides fresh, filtered air to a room or area that is approximately 300 square feet — perfect for bedrooms, living areas, and some office spaces. When you place the Air Sentry 300 in these spaces, you can breathe clean, 99.97% pollutant-free air every 8 minutes!

The UltraLux Air Sentry Line has been proven to generate the cleanest, healthiest air for our bodies every 8 minutes.

The UltraLux Air Sentry 300 filters approximately 300 square feet of space, making it perfect for living areas and large office spaces. When you incorporate the UltraLux air filtration system into your home and work areas, you can experience:

  • Reduction of allergens such as dust and dander
  • Increased cognitive focus and function
  • Lessened exposure to contagious illness and viruses
  • Deeper, improved sleep

Unrivaled Air Quality with the UltraLux Air Sentry 300

If you want to improve your health, it’s vital to incorporate UltraLux Air Purifiers into your wellness routine. With a powerful HEPA filter, a carbon filter, a sterilizing UV-C filter, and an easy-to-use interface, the UltraLux Air Sentry 300 should be your easiest “yes” ever. The Air Sentry 300 includes:

  • 99.97% particle filtration
  • 1,500 hours of filter life
  • 8-minute cycle time
  • Easy-to-use interface
  • Simple filter replacement design

Triple Filtration Technology

Traditional air purifiers only use HEPA filtration, but the UltraLux Air Sentry 300 goes above and beyond, combining an odor-removing carbon filter, a general-use True HEPA 13 filter, and a sterilizing UV-V filter. Plus, we’ve included a viral protection True HEPA 14 filter for free! This unique triple filtration technology is the foundation for the cleanest air. With the Air Sentry 300, you can remove:

  • Viruses
  • Hazardous VOCs
  • PM 2.5 particles
  • Dust
  • Allergens
  • Smoke
  • Odors
  • Bacteria

The FDA recommends using at least a HEPA filter to avoid the health risks that accompany polluted air. The Air Sentry 100 has a true HEPA 13 filter with 99.97% filtration capacity for particles that are 0.3 microns or larger. Plus, it includes a free alternate True HEPA 14 filter with a 99.997% filtration percentage of particles 0.1 microns or bigger. The HEPA 14 filter is perfect for viral protection during flu season or when sicknesses are going around. With the HEPA filters, you can be confident that your air is free from dangerous particulates. As well, the UV-C sanitation and carbon filter in the UltraLux Air Sentry 100 keep your space free from VOCs and free of odors!

Long Lasting Filter Life

The Air Sentry 300 offers powerful air purification for up to 1,500 hours of use, and it’s incredibly simple to replace the filter when the time comes.

1. Remove the used HEPA filter
2. Replace the used filter with the new Air Sentry 300 HEPA replacement filter.
3. Rotate and lock the filter in place
4. Enjoy the cleanest air for another 1,500 hours!

Low EMF

Most of the air purifiers currently on the market include WiFi and other features that are supposed to be useful, but actually contribute to high EMFs, damaging important body functions. At UltraLux Health, we want you to enjoy fresh, purified air without worrying about the negative effects of EMFs. So, we intentionally created the Air Sentry line without EMF-producing features. The Air Sentry 300 has an ultra-low EMF rating of 2 Milligauss at 6 inches on the highest fan speed. The Air Sentry 300 is low in EMFs so you can enjoy clean air without an EMF headache!

Choose Your Filter Mode

The UltraLux Air Sentry 300 has an automatic, low, medium, and high-speed fan mode for your personal preference. Plus, if you are a light sleeper, the Air Sentry 300 has a sleep mode, which reduces the brightness on the display panel and lowers the noise level to a whisper-quiet 30-33 decibels.

The Air Sentry 300 also has a Child Safety Lock setting to ensure your air filter stays on at your chosen mode. Plus, if you ever want to check your air quality status, the display has a red, yellow, and green light function to show how good your indoor air quality is.

Product Size8.3 inches x 11.7 inches
Weight4.6 lbs
HEPA Filter RatingH13, H14
Rated Power24 Watts
Noise33-51 decibels
Filtration TypeTrue HEPA 13 and 14, Activated Carbon, UV-C Sanitation, Pre-Filter

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Full Description

The Risks of Unfiltered Air

There’s no doubt about it, air pollutants surround us. Some of these pollutants include toxic gases, mold spores, foul odors, dust, and allergens. If you’re struggling with brain fog, respiratory issues, or even productivity, it could be a result of polluted air inside your home, work, or other spaces. Some of these hazardous pollutants include allergens, VOCs, PM2.5 particles, toxic chemical fumes, and more. These contaminants can wreak havoc on the body, contributing to health problems from respiratory issues to organ failure.Studies have shown that the average person spends 90% of their time indoors, and indoor pollution can be 2 to 5 times higher than outdoor air pollution. These statistics show just how serious of a threat air pollution is. Luckily, UltraLux Health has a solution to keep you and your loved ones breathing happy.

Introducing the Air Sentry 300

Say goodbye to air pollutants and body irritants with the UltraLux Air Sentry Line! UltraLux Air Purifiers were designed to give you the freedom and joy of clean air. The UltraLux Air Sentry 300 stands apart from other air purification processes by combining powerful filtration with faster air cycling speed, giving you better air, faster. The UltraLux Air Sentry 300 provides fresh, filtered air to a room or area that is approximately 300 square feet — perfect for bedrooms, living areas, and some office spaces. When you place the Air Sentry 300 in these spaces, you can breathe clean, 99.97% pollutant-free air every 8 minutes!The UltraLux Air Sentry Line has been proven to generate the cleanest, healthiest air for our bodies every 8 minutes.The UltraLux Air Sentry 300 filters approximately 300 square feet of space, making it perfect for living areas and large office spaces. When you incorporate the UltraLux air filtration system into your home and work areas, you can experience:
  • Reduction of allergens such as dust and dander
  • Increased cognitive focus and function
  • Lessened exposure to contagious illness and viruses
  • Deeper, improved sleep

Unrivaled Air Quality with the UltraLux Air Sentry 300

If you want to improve your health, it’s vital to incorporate UltraLux Air Purifiers into your wellness routine. With a powerful HEPA filter, a carbon filter, a sterilizing UV-C filter, and an easy-to-use interface, the UltraLux Air Sentry 300 should be your easiest “yes” ever. The Air Sentry 300 includes:
  • 99.97% particle filtration
  • 1,500 hours of filter life
  • 8-minute cycle time
  • Easy-to-use interface
  • Simple filter replacement design

Triple Filtration Technology

Traditional air purifiers only use HEPA filtration, but the UltraLux Air Sentry 300 goes above and beyond, combining an odor-removing carbon filter, a general-use True HEPA 13 filter, and a sterilizing UV-V filter. Plus, we’ve included a viral protection True HEPA 14 filter for free! This unique triple filtration technology is the foundation for the cleanest air. With the Air Sentry 300, you can remove:
  • Viruses
  • Hazardous VOCs
  • PM 2.5 particles
  • Dust
  • Allergens
  • Smoke
  • Odors
  • Bacteria
The FDA recommends using at least a HEPA filter to avoid the health risks that accompany polluted air. The Air Sentry 100 has a true HEPA 13 filter with 99.97% filtration capacity for particles that are 0.3 microns or larger. Plus, it includes a free alternate True HEPA 14 filter with a 99.997% filtration percentage of particles 0.1 microns or bigger. The HEPA 14 filter is perfect for viral protection during flu season or when sicknesses are going around. With the HEPA filters, you can be confident that your air is free from dangerous particulates. As well, the UV-C sanitation and carbon filter in the UltraLux Air Sentry 100 keep your space free from VOCs and free of odors!

Long Lasting Filter Life

The Air Sentry 300 offers powerful air purification for up to 1,500 hours of use, and it’s incredibly simple to replace the filter when the time comes.1. Remove the used HEPA filter 2. Replace the used filter with the new Air Sentry 300 HEPA replacement filter. 3. Rotate and lock the filter in place 4. Enjoy the cleanest air for another 1,500 hours!

Low EMF

Most of the air purifiers currently on the market include WiFi and other features that are supposed to be useful, but actually contribute to high EMFs, damaging important body functions. At UltraLux Health, we want you to enjoy fresh, purified air without worrying about the negative effects of EMFs. So, we intentionally created the Air Sentry line without EMF-producing features. The Air Sentry 300 has an ultra-low EMF rating of 2 Milligauss at 6 inches on the highest fan speed. The Air Sentry 300 is low in EMFs so you can enjoy clean air without an EMF headache!

Choose Your Filter Mode

The UltraLux Air Sentry 300 has an automatic, low, medium, and high-speed fan mode for your personal preference. Plus, if you are a light sleeper, the Air Sentry 300 has a sleep mode, which reduces the brightness on the display panel and lowers the noise level to a whisper-quiet 30-33 decibels.The Air Sentry 300 also has a Child Safety Lock setting to ensure your air filter stays on at your chosen mode. Plus, if you ever want to check your air quality status, the display has a red, yellow, and green light function to show how good your indoor air quality is.
Specifications
Product Size
8.3 inches x 11.7 inches
Weight
4.6 lbs
HEPA Filter Rating
H13, H14
Rated Power
24 Watts
Noise
33-51 decibels
Filter Type
True HEPA 13 and 14, Activated Carbon, UV-C Sanitation, Pre-Filter
Clean Air, Clear Mind
Elevate Your Wellness with the Air Sentry!
Get Your Air Sentry 300
Frequently Asked Questions

Why does indoor air quality matter?

Because breathing is an automatic bodily function, we often forget we’re even doing it! The average person spends 90% of their day in their home. If your indoor air is contaminated, it’s only a matter of time before your health starts to take a hit. The UltraLux Air Sentry line provides protection against these invisible but hazardous toxins.

How do I know if the air purifier is working?

The Air Sentry 300 has an Air Quality Status feature, with illuminated symbols to show whether your air quality is bad, normal, or good. If this Air Quality Status feature starts out as red, but then transitions to yellow or green, you can be confident that your Air Sentry 300 is filtering properly. If you wish to store the Foldaway Sauna, make sure the inside is completely dry before folding and storing.

Does the Air Sentry 300 remove odors?

Yes! Not only does the Air Sentry remove harmful particles, but it also keeps your home and work spaces fresh and clean-smelling!

Is the Air Sentry 300 loud?

When the Air Sentry 300 is running, you can expect a calming buzz, similar to a white noise machine. However, if you struggle to sleep with any noise, feel free to turn off the Air Sentry 300 when sleeping.

Where should I place my air purifier?

We recommend placing your air purifier in the room or area where you spend most of your time. The Air Sentry 300 is a great, portable option as it filters the air of an approximately 300-square-foot area.

How long should I run my air purifier?

For the best air purification results, we recommend running your Air Sentry 300 continuously.

Do all air purifiers clean the same type of pollutants from the air?

No, not necessarily. Many air filters only use a HEPA filter, which does a pretty good job of filtering allergens and dust particles. The UltraLux Air Sentry 300 has a powerful HEPA filter, as well as a carbon filter for other pollutant particulates, and a UV-C filter for killing bacteria and viruses.
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DISCLAIMER
Copyright© 2026 UltraLux Health, LLC - All Rights Reserved. The statements on this site have not been evaluated by the Food & Drug Administration. Our products are not intended to diagnose, treat, cure, or prevent any disease. UltraLux Health, LLC assumes no responsibility for the improper use of and self-diagnosis and/or treatment using these products. UltraLux Health, LLC products should not be used as a substitute for medically supervised therapy. If you suspect you suffer from clinical deficiencies, please consult a licensed and qualified medical doctor. This product is not intended to diagnose, treat, cure, or prevent any disease. Consult your physician before use.