# KNKA APH3000 Air Purifier, up to 1,147 ft²

The KNKA APH3000 air purifier combines a washable pre-filter, activated-carbon filtration, air-quality sensing and automatic fan adjustment. Its stated room coverage depends on the air-change rate: the listing claims 4.8 changes per hour in 237 ft² and one per hour in spaces up to 1,147 ft².

- [Original product page](https://best-deals.pro/product/knka-aph3000-air-purifier)
- [View offer](https://best-deals.pro/visit/knka-aph3000-air-purifier)
- Market: US
- Language: en-US
- Currency: USD
- Brand: KNKA
- Model: APH3000
- Category: Home & Kitchen > Heating, Cooling & Air Quality > Air Purifiers
- Price: 61.94 USD
- Previous price: 98.99 USD
- Discount: 37%
- Price checked: 2026-11-14T06:37:21.900Z
- Rating: 4.5 / 5
- Reviews: 1688

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- The listing describes a washable pre-filter for larger particles such as hair and dust, plus a high-efficiency filter and activated-carbon layer.
- A built-in sensor displays air-quality updates through an LED indicator, and Auto Mode adjusts fan speed according to air quality.
- Sleep Mode is listed at 24dB. The light button can adjust the purifier's lights.
- The one-hour coverage figure describes one air change per hour in up to 1,147 ft², not the faster 4.8 changes per hour claimed for 237 ft².

## Pros

- Washable pre-filter is intended to capture larger particles and extend the main filter's lifespan.
- Auto Mode, three fan speeds and a 1-12-hour timer offer several ways to tailor operation.
- The listing provides separate coverage claims for faster air turnover in a smaller room and slower turnover across a larger area.

## Specifications

### Identity
- Brand: KNKA
- Model: APH3000
### Coverage and filtration
- Coverage at 4.8 air changes per hour: 237 ft²
- Coverage at one air change per hour: 1147 ft²
- Claimed particle capture: 99.97% of particles down to 0.3 microns\(μm\).
### Controls and operation
- Fan speeds: three adjustable fan speeds
- Modes: Auto Mode
- Timer: 1-12 hours
- Sleep-mode noise claim: 24dB
### Dimensions and installation
- Dimensions listed: 6.22 x 11.73 x 14.92 inches; 7.9 pounds

## Before you buy

- The listing's room-size claims use different air-change rates. For more frequent turnover, its stated figure is 237 ft² at 4.8 changes per hour. The 1,147 ft² figure is for one change per hour. Filtration and noise figures are listing claims, not independently verified measurements.

## A good fit for

- Buyers wanting an air purifier with Auto Mode, an air-quality indicator and manual fan-speed options.
- Bedrooms where a listed 24dB Sleep Mode and adjustable lights are useful considerations.
- Households looking for a washable pre-filter and filtration described for dust, pollen and pet dander.

## Less suited to

- Buyers who need the stated 4.8 air changes per hour throughout a room approaching 1,147 ft².

## Customer feedback

Customer feedback highlights perceived effectiveness against dust and cooking odors, quiet operation, compact size and a color-changing air-quality indicator. Some customers also report allergy-related or other health improvements, which are individual experiences rather than established outcomes. These comments align with the product's listed filtration, sensor and 24dB Sleep Mode features, but they do not verify the stated coverage or filtration performance.
- Positive themes: Customers describe the purifier as effective against dust and cooking odors, including in open rooms.
- Positive themes: Customers appreciate its quiet operation, compact size and color-changing air-quality indicator.

## Frequently asked questions

### What room size does the APH3000 cover?
The listing claims 4.8 air changes per hour in rooms up to 237 ft², and one air change per hour in spaces up to 1,147 ft². The larger figure does not mean the same turnover rate as the smaller-room claim.
### What filtration features are listed?
The listing describes triple filtration with a washable pre-filter, a high-efficiency filter and an activated-carbon layer. It claims capture of 99.97% of particles down to 0.3 microns.
### Does it adjust fan speed automatically?
Yes. The listing says a built-in air-quality sensor provides LED-indicator updates and Auto Mode adjusts the fan speed based on air quality.
### What controls and timer does it offer?
The listing specifies three adjustable fan speeds, Auto Mode and a timer adjustable from 1 to 12 hours. It also describes a light button for adjusting the purifier's lights.

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## Images

![KNKA APH3000 Air Purifier, up to 1,147 ft² — 1](https://best-deals.pro/i/I9y2lwBwUEdAxVMzkDcO8uMSlPR7gEKRDbW5TmsGYt7S_lL1lsdfHRVRAj6c9zUuJD3LhvZeDsZ7NHPsAtPki2HZ8NNENdMgW6dYCJpry3uxeA0Wz5aj0Ui3.jpg)

![KNKA APH3000 Air Purifier, up to 1,147 ft² — 2](https://best-deals.pro/i/06JFAEdWAVjr-UAKs67UisOG6eLvOAsA8aHqXX_MNsO6ERlMqaHoUWDBBjx1-HqjxC_nRhw-q2EyqoQAmOSfCaZGmsblhtoDiGTZSgm22Xz4bQKoWVEDC_-D.jpg)

![KNKA APH3000 Air Purifier, up to 1,147 ft² — 3](https://best-deals.pro/i/Lqta7ik-teBn2p-NpUGx6es7XV6QqYgJ_Pc29Ee2_j-egLictLFAyx2GMg1hupUjqOksRFgvFEkFah-7Z7znSfZfxg120MKay4ZH8lIFp3FW_vUt5GAAzMqZ.jpg)

![KNKA APH3000 Air Purifier, up to 1,147 ft² — 4](https://best-deals.pro/i/10z7ljcqVJ-ILYUOMruGWC2NRCLEIT9IyGe7pVjTq2272Dfz_gWRdagUetkiYhGYDZHjYDOEz4idsMDQpG2dx6zTgBYQboWdygciABNZ70ixziX2n49PX5KF.jpg)

![KNKA APH3000 Air Purifier, up to 1,147 ft² — 5](https://best-deals.pro/i/fmz416g4idkJkc6fXTmNZxQaUOrilYn9s0lnK5E8Spmwx9JeVb7Iq-a61-IWTFF52K1chao95bL3ifaIA-8XVsVhr0XaRfD_31mmki4VkZ4WOyVTKfbP7XLi.jpg)

![KNKA APH3000 Air Purifier, up to 1,147 ft² — 6](https://best-deals.pro/i/sGnqq2OA8AkUyJUeoBrmq1rjTcWhiEhQ2Dr4TQ83rCWecQISC2jT-JwfsmMjGJsu2YkgXquRmv1LFIL6PgX6DAS_DJcOg5QOTipXm5a33UmwSvVrpITOb_qo.jpg)

![KNKA APH3000 Air Purifier, up to 1,147 ft² — 7](https://best-deals.pro/i/I8xQ55h0JvyMCnQ-dEiP_ZZbMIJ4KoelJ0itxRJ1hLyKB-OGND9C_ydIrb5cD4MJjLY9yJNL3KsKu-ALRgTFmlt4178ErPUNVt7ZXhN35pLbgOTNApJTgPxa.jpg)