AP303 AP304 Replacement Filters, Compatible with AP303/304 Air Purifier, and for AP303 AP304 Purifier, HEPA Filter with 3 Stage Filtration, 4 Pack (Standard-White)

Each Filter Size: 11.2 inch (Height) * 10 inch (Width) * 1.2 inch (Thickness) Compatible Model: This filter is specially designed for AP303 AP304 and AP303 AP304 Air Purifier for home large room HEPA Filter: The package includes four AP303/AP304 HEPA filters that adsorb 99.97% of particles as small as 0.3 microns 3-Layer Filtration: Fine mesh pre-filter, HEPA filter, and activated carbon filter provide fresh air to make your home more livable 4pcs Filters for Dual-Sided: Perfectly fit for AP303/AP304 air purifiers with a dual-sided air intake system