Dyson · Amazon

Dyson Purifier Big+Quiet Formaldehyde

Name: Dyson Purifier Big+Quiet Formaldehyde
Brand: Dyson
SKU: B0CDQVR4G9

A large-space connected purifier combining HEPA, carbon and formaldehyde filtration with adjustable long-range air projection.

View Price on Amazon

As an Amazon Associate, Rank Sherpa earns from qualifying purchases. Affiliate relationships do not influence product placement.

Model: BP04
Last updated: Jul 20, 2026

Source-backed product data

Verified specifications

Smart features

App control: Yes

Other

Published air projection: More than 32 ft
Published HEPA filtration: 99.97 %
HEPA, carbon and SCO filtration: Yes
Airflow settings: 10 settings
Projection angles: 0°, 25° and 50°
Maximum published airflow: 87 L/s
Minimum sound power: 39.8 dBA
Maximum sound power: 56 dBA
Minimum power: 20 W
Maximum power: 50 W
Weight: 26.24 lb
Published HEPA filter life: 21900 hr
Published carbon filter life: 8760 hr
Live air-quality metrics: Yes
Automatic mode: Yes

Evidence

Manufacturer and listing sources

Official product informationObserved Jul 20, 2026 · verified Amazon listingObserved Jul 20, 2026 · verified

How we rank

Specifications first

Rank Sherpa orders products using verified, source-backed facts. Affiliate relationships never buy placement.

Read our methodology

More to compare

Related robot vacuums

Honeywell · Amazon

Honeywell Allergen Plus HEPA Air Purifier

Model HPA5300B

Rank Sherpa verdict

Best Straightforward Air-Quality ControlsWhy this product received this verdict

Air changes per hour: 4.8 ACH.
Smoke CADR: 323 cfm.
Dust CADR: 335 cfm.

Last verified: Jul 20, 2026See how our methodology works →

Recommended room size: 500 sq ft
Air changes per hour: 4.8 ACH
Smoke CADR: 323 cfm
Dust CADR: 335 cfm

Updated 16 hours agoSource

View details View Price on Amazon

As an Amazon Associate, Rank Sherpa earns from qualifying purchases. Placement is not paid.

Levoit · Amazon

Levoit Core 600S-P Smart Air Purifier

Model LAP-C601S-WUS

Rank Sherpa verdict

Best Connected ControlsWhy this product received this verdict

Coverage at 1 ACH: 2909 sq ft.
Coverage at 4.8 ACH: 606 sq ft.
Published CADR: 391 cfm.

Last verified: Jul 20, 2026See how our methodology works →

Coverage at 1 ACH: 2909 sq ft
Coverage at 4.8 ACH: 606 sq ft
Published CADR: 391 cfm
Minimum noise: 26 dB

Updated 16 hours agoSource

View details View Price on Amazon

As an Amazon Associate, Rank Sherpa earns from qualifying purchases. Placement is not paid.

Blueair · Amazon

Blueair Blue Pure 211i Max

Model Blue Pure 211i Max

Rank Sherpa verdict

Best Clean-Air DeliveryWhy this product received this verdict

Recommended room size: 674 sq ft.
Air changes per hour: 4.8 ACH.
Smoke CADR: 410 cfm.

Last verified: Jul 20, 2026See how our methodology works →

Recommended room size: 674 sq ft
Air changes per hour: 4.8 ACH
Smoke CADR: 410 cfm
Dust CADR: 410 cfm

Updated 16 hours agoSource

View details View Price on Amazon

As an Amazon Associate, Rank Sherpa earns from qualifying purchases. Placement is not paid.