OION 4-in-1 True HEPA Review

Mark Johnson
Mark Johnson
Air Quality Expert
Last Updated: 25 Aug 2020
(Rated from 8144 reviews)

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, 2020) has all the qualities and features, giving it an added advantage and an edge over its competitors.

OION 4-in-1 True HEPA Air Purifier

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

Review Feature Summary

* On special until end October 2020

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

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.

The Good & the Bad



Key Features

Useful Product Info

What Others Think

At the time of writing this review, there were:

What's Included?

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

Common Questions

There's usually a light on the panel that shows the UV light is on or off. So, if it's on then it perfect. Moreover, it can last you for months.

It's noiseless.

Do Ionic Air Purifiers Filter Air?
Do Car Air Purifiers Help With Pet Odor?
What Is A HEPA Air Purifier?
What Are The Benefits Of Using An Air Purifier?

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.



The Top Air Purifiers We've Reviewed

Have you read our article on the therapure air purifier with uv light?

Or our article on the top 5 therapure air purifiers?

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