Model No: ZNC-2021 HEPA FILTER
H13 Medical Grade Hepa Filter
* This product is only compatible with OWELL's ZNC-2021 IonAIRFLOW Smart Sense Ion Air Purifer (Rechargeable) or USB
A distinction is made between HEPA classes H13 and H14: with H13, at least 99.95% of all particles are separated, with H13 it is at least 99.995%