The In-Depth OION 4-in-1 True HEPA Review

Are You Considering the OION 4-in-1 True HEPA Air Purifier?

We review the OION 4-in-1 True HEPA to help you choose EXACTLY what you need.

* On special until end October 2021

I think you’ll agree with me when I say:

It’s REALLY hard to choose an air purifier with all the options available!

Or is it?

Well, it turns out, that after years and hundreds of hours of testing & reviewing, we have strong opinions about what makes the best air filtration system: level of purification, efficiency, and maintenance.

The OION 4-in-1 True HEPA (On special until end Oct, 2021) has all the qualities and features, giving it an added advantage and an edge over its competitors.

White Wall

OION 4-in-1 True HEPA

Air Purifier
The unit is an amazing air purifier. It works efficiently in clearing hair, dirt & debri from any surface.. We would recommend this product taking full advantage of its high performance and great price.

Quick Summary of the OION 4-in-1 True HEPA

The Olon 4-in-1 HEPA Air Purifier gets rid of dust mites,1 pollen,2 pet dander,3 mold, & bacteria so you & your family can breathe comfortably.

Removes dust mites, pollen, pet dander, mold, and bacteria so you and your family can breathe easier. Pre-Filter, True HEPA, and Carbon filtration are proven to eliminate 99.97% of particles as small as 0.3 microns and destroy micro-organisms such as staph, influenze, and rhinovirus.

OION 4-in-1 True HEPA

  • True HEPA.
  • UV-C Technology.
  • Sleep timer.

* On special until end October 2021

What You Need to Know

The unit is an amazing air purifer. It works efficiently in clearing hair, dirt & debri from any surface.. We would recommend this product taking full advantage of its high performance and great price.

The Benefits & Drawbacks

PROS

  • Ideal for Small Spaces
  • Compact & Ultra-Quiet
  • Provides Allergen-Free Air

CONS

  • It take much air in, but it’s very small & it’s quiet

Key Features

  • True HEPA, & UV-C Technology – It’s proven to eliminate 99.97% of particles as small as 0.3 microns & destroy micro-organisms.
  • Whisper Quiet Fans – Silently cleans & sanitises the air around you & allows you to choose the time of purification that suits your needs.
  • 3-IN-1 filter – Pre-Filter, HEPA & Carbon Filtration – Reduces odours, freshens the air, & absorbs volatile airborne pollutants.
  • Safe Certified Technology – ETL Certified to meet & exceed industry safety standards.
  • Energy-Conscious Design – Multiple fan speeds allow you to control the strength of purification & decrease energy use when less purification is needed.

Specs & Useful Product Info

  • Product Dimensions: 9.9 x 5.2 x 7.5 Inches
  • Product Weight: 2.6 Pounds
  • Product Color: White

What Others Think

At the time of writing this review, there were:

  • 40 Customers
  • Who Gave it a Rating of 4.4 Out of 5.
OION 4-in-1 True HEPA Review

Common Questions

How can you tell if the Oion 4-in-1 HEPA Air Purifier's UV-C Sterilizer is working?

How loud is the Oion 4-in-1 HEPA Air Purifier?

What's Included?

Here's what you get when you buy this Air Purifier:

  • HEPA Filter
  • Carbon Filter
  • 1 year warranty
  • 2 Fan
  • Timer

Our Verdict

The unit is an amazing air purifier, this product has provened to be worth every penny. It works very quietly and functions on a timer of 2, 4, and 8 hours and has 3 speeds.

What Features Did We Look At?

If you’re in the market for a new air purifier, you’re probably looking at the different options and wondering which is the ideal one. Don’t worry, we got you covered.

Filtration

Only the most effective purifiers make the cut.

Noise Level

So there's more clean air and less noise.

Durability

Because you need a machine that’s built to last.

Ease of Use

It needs to be easy to use and easy to clean.

RELATED PRODUCTS

The Top Air Purifiers We've Reviewed

The Competition: Lots of Options, but Most Aren’t as Affordable

If this air purifier isn’t quite for you, then I’d highly recommend you check out the following reviews:

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