4-Pack AP2301 Replacement Filter Compatible with AIRTOK AP2301 and Honeyuan ZY3866G Purifiers, Also Compatible with SereneLife 1800 Sq. Ft, Purifier, with Aromatherapy Tablets

Perfectly Cocmpatible--The filter is compatible with AIRTOK AP2301 and Honeyuan ZY3866G Air Purifiers, also Compatible with SereneLife 1800 Sq. Ft, Purifier. | 3-Stage Design--Our Filter Replacement is designed in 3-in-1 Filtration. 3-layer filtration system includes: Pre-Filter layer + True HP layer + activated carbon layer. | Easy to install--Easy to replace and disposable, no tools required. Simply remove and replace from your machine unit when needed. | Activated Carbon Filter--Highly effective activated carbon can help reduce indoor odors from smoke, cooking and pet odors. | Life--We suggest replacing the filter element according to your usage situation.