Lvchen Compatible Air Purifier Filter for Philips AC4074 AC4072 AC4083 AC4084 AC4086, Replacement Cartridge AC4141+AC4143+AC4144 Three-Pack Set

Layered purification with multi-level filtration

Upgraded version compatible with Philips air purifier filters

Targets odors, dust, PM0.3, TVOC, formaldehyde, and PM2.5 particles

Features a multi-functional filter, HEPA filter, and activated carbon filter

Effectively filters out pet hair, PM2.5 particles, formaldehyde, odors, dander, and other large particles

Three-layer filter design with progressive filtration for extended filter lifespan

HEPA dust collection filter with high-precision composite filter paper for increased dust capacity and longevity

Gradual filtration from coarse to fine layers reduces air resistance and captures dust, debris, and hair effectively