
DREO DR-HAP008S Smart Air Purifier: CADR, filter and app features
The DREO DR-HAP008S is a Wi-Fi HEPA air purifier with a 115 CFM CADR, a PM2.5 sensor, four modes and a 3-in-1 filter. What the specs mean for a room.
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13 product overviews: what each product is, the features that matter and what to check before you buy.

The DREO DR-HAP008S is a Wi-Fi HEPA air purifier with a 115 CFM CADR, a PM2.5 sensor, four modes and a 3-in-1 filter. What the specs mean for a room.

The KNKA AP2000WF is a True HEPA air purifier with a PM2.5 sensor, app control, sleep mode and a filter-life display. What its specs mean and what to check.

A compact HEPA air purifier with a 3-layer filter, AHAM VERIFIDE certification, noise as low as 28 dB and an optional night light. What the specs mean.

The LEVOIT LV-H135 is a floor-standing air purifier with a 3-in-1 filter, auto mode and a CADR of 212. Here is what the specs mean and what to check first.

The LEVOIT Vital 200S-P is a HEPA air purifier rated for rooms up to 1,878 sq ft, with an air quality monitor, sleep mode and app control. What the specs mean.

A large-room HEPA air purifier with three-stage filtration, a washable pre-filter, four fan speeds, timers and a quiet sleep mode. What the specs mean.

A compact HEPA air purifier from MOOKA with three-layer filtration, a 15 dB sleep mode, timer, nightlight and essential-oil function. What the specs mean.

The MOOKA PR1 is a compact HEPA air purifier with a washable pre-filter, PM2.5 display, Pet Mode and a Sleep mode of 26 dB. What the specs mean.

The Philips AC1715/41 is a connected HEPA and carbon-filter air purifier with a 149 CFM smoke CADR, AeraSense sensor, 15 dB sleep mode and app control.

A VEVOR 550 CFM negative air machine with MERV-10, carbon and H13 HEPA filters, stackable design and daisy-chaining. What the specs mean for restoration work.

An AHAM Verifide air purifier with 226 CFM smoke CADR, front and back filters, PET, ECO and Sleep modes. What its CADR and air change figures mean for your room.

What the DREO 539's AHAM Verified 158 CFM CADR means for room size, how its 3-in-1 filter and PM2.5 sensor work, and what to check before you buy.

A bedroom HEPA air purifier with a PM1.0, PM2.5 and PM10 sensor, a 161 CFM CADR and separate HEPA and carbon filters. What the numbers mean.