Dhyala KJ03 Air Purifier, Wi-Fi, 3-Stage Filters

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Product guide

Dhyala KJ03 Air Purifier, Wi-Fi, 3-Stage Filters

Wi-Fi Stage Filters: The Dhyala KJ03 air purifier combines app control and automatic fan adjustment with a washable pre-filter and a fragrance compartment. Its stated coverage and airflow are listing claims, so buyers choosing it for a large room should compare those figures with their room and use needs.

At a glance

App-based remote control and automatic fan-speed adjustment use a built-in PM2.5 sensor.
The washable, reusable pre-filter is one part of a stated three-stage filter system. The HEPA and activated carbon filter components are not described as washable.
Includes a fragrance compartment and one-button sleep mode, with a claimed noise level as low as 15 decibels.
The listing claims coverage up to 3000 square feet in one hour and CADR up to 265 CFM. These are manufacturer claims, not independently verified measurements.

Price

$99.99Save 41%

Reference price: ~~$168.99~~

Price checked: Nov 14, 2026

View offer Ahead of Black FridayExplore the selection

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Pros and cons

Pros

App control, auto mode, four manual speeds and a timer offer multiple ways to manage operation.
A reusable washable pre-filter may reduce how often that component needs replacement, while a replacement indicator signals when the filter needs changing.
Aromatherapy compartment and dedicated sleep mode combine fragrance use and nighttime operation in one unit.

Cons

Only the pre-filter is stated to be washable. The listing describes the HEPA and activated carbon stages but does not say they can be washed.

Technical specifications

17 specifications

Identity
Brand	Dhyala
Model	KJ03

Dimensions and installation
Dimensions and weight	13 x 7 x 17 inches; 8.82 pounds

Coverage and airflow
Claimed coverage	up to 3000 sqft in just one hour
CADR	up to 265 CFM

Filtration
Filter stages	3-stage filtration system (pre-filter + HEPA filter + activated carbon filter)
Filter arrangement	dual filters
Washable component	The pre-filter is washable and can be reused after drying

Controls and monitoring
Connectivity and control	remotely control your home air purifier via a mobile app
Air quality sensor	built-in PM2.5 sensor
Operating modes	automatically adjusts the fan speed
Manual fan speeds	four manual fan speeds
Timer	1-12 hour timer

Noise and additional features
Sleep mode noise claim	as low as 15 decibels
Aromatherapy	built-in aromatherapy box
Filter indicator	A filter replacement indicator light will remind you when the filter needs changing.
Safety features claimed	The child lock prevents accidental activation; the 1.83-meter anti-chew power cord protects against small animals; the device automatically shuts off when tilted more than 45 degrees.

What to know before buying

The coverage figure of up to 3000 square feet in one hour, CADR of up to 265 CFM and sleep-mode noise as low as 15 decibels are manufacturer claims. No independent test results are supplied. The listing says the pre-filter is washable, but does not describe the HEPA or carbon stages as washable. It also claims safety certifications and a 24-month warranty without supplying certificate details or warranty terms here. Check the selected listing for those specifics.

Who is it for?

A good fit for

Buyers seeking app control and automatic fan adjustment based on a PM2.5 sensor.
Households that want a washable pre-filter, a filter-change indicator and a separate aromatherapy compartment.
Buyers considering an air purifier for a larger room who will assess the claimed coverage against their own room and needs.

Less suited to

Buyers who need every filter stage to be washable.
Buyers who require independently verified coverage, CADR or noise measurements before choosing a purifier.

Dhyala KJ03 Air Purifier, Wi-Fi, 3-Stage Filters · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 738 ratings

5 stars83%83%
4 stars7%7%
3 stars6%6%
2 stars1%1%
1 star3%3%

Customer feedback describes perceived cleaner-smelling air, reduced dust and odors, quiet operation, automatic speed changes and phone-based control. Some customers also report allergy or asthma symptom improvements, but these are individual reported experiences rather than established health outcomes. Those impressions are relevant to the KJ03's stated app control, auto mode and sleep mode, but do not independently confirm its claimed coverage, CADR or noise level. The overall rating distribution is strongly weighted toward five-star ratings, though aggregate ratings cannot explain individual experiences.

Positive themes

Customers report cleaner-feeling air and reduced odors or dust.
Customers appreciate quiet operation, automatic speed adjustment and phone control.
Some customers report improved allergy or asthma symptoms.

Frequently asked questions

Can the filters be washed?

The listing says the pre-filter can be washed and reused after drying. It does not say the HEPA or activated carbon filter can be washed.

Does the KJ03 adjust its fan automatically?

The listing describes a built-in PM2.5 sensor that monitors air quality and automatically adjusts fan speed. It also lists four manual speeds.

What room size is it claimed to cover?

The listing claims coverage up to 3000 square feet in one hour and CADR up to 265 CFM. These figures are not independently verified in the supplied information.

What does the aroma feature include?

The listing describes a built-in aromatherapy box and says one pad and two extra pads are included.