Is this a HEPA air purifier?

No. It is an ionizer that purifies air and targets odors and bacteria growth. It does not use a HEPA filter.

Will it fit my pet cage?

It is designed for wooden pet cages, which are sold separately. It mounts with the included drilling tool, so it is not made for wire or plastic cages.

Does it run all the time?

No. The infrared sensor detects when your pet enters or leaves and shuts the unit off automatically. You can also pick among four deodorizing modes.

The unit, a drilling tool, a USB cable and an adapter. It needs an electrical outlet to run.

Is the ozone smell safe for pets?

Some buyers complain of a strong ozone smell and question whether it is healthy for pets. If that concerns you, a filter-based room purifier is the safer comparison.

How does it compare with a room air purifier?

It is a small, cage-mounted ionizer for localized odor control, not a whole-room HEPA unit. A room purifier covers more space and avoids ozone, but does not mount on a cage.

Where is the Coziwow Smart Dog Cat Air Purifier cheapest?

At Chewy, for $47.99, as of our latest check.

What do buyers say about the Coziwow Smart Dog Cat Air Purifier?

Buyers like: Easy installation. Common complaints: Strong, overwhelming ozone smell; Concern that the ozone scent may not be healthy for pets.

Coziwow Smart Dog Cat Air Purifier Price History: Lowest $47.99

What reviewers say

Buyers find the unit easy to install and like the sensor-driven automatic operation. The main complaint is a strong ozone smell that some owners find overwhelming and worry could be unhealthy for their pets.

What people mention

Ozone smellCriticisedBuyers describe a strong, overwhelming ozone odor from the unit.
Pet safetyCriticisedSome owners worry the ozone scent may not be healthy for their pets.
InstallationPraisedBuyers say mounting it on a wooden cage is easy with the included tool.
Sensor modePraisedThe infrared sensor shuts the unit off when the pet enters or exits.
ModesMixedFour settings range from gentle to powerful deodorizing, though the strong end is where the ozone complaints come from.

From Chewy

Designed for wooden pet cages (sold separately)
Infrared sensor technology helps wipe out odors and inhibit bacteria growth
Smart sensor mode senses pet entry and exit and auto-shuts off
4 modes to switch between gentle and powerful deodorizing settings
Drilling tool included for simple installation on wooden pet cages
Requires an electrical outlet; includes USB cable and adapter

Returns: Free 365-day returns; if you and your pet aren't 100% satisfied, send items back within a year at no cost.
Shipping: Free delivery; arrives between Nov 19 and Nov 23.
In the box: Drilling tool, USB cable, Adapter

About the Coziwow Smart Dog Cat Air Purifier

The Coziwow Smart Dog Cat Air Purifier is designed for wooden pet cages. It works as an ionizer and air purifier to help reduce odors and inhibit bacteria growth. It uses infrared sensor technology.

A smart sensor mode detects when a pet enters or leaves the cage and shuts the unit off automatically. Four modes range from gentle to powerful deodorizing.

A drilling tool is included for installing it on a wooden pet cage. It needs an electrical outlet and comes with a USB cable and adapter.