4-Pack KQ-31 Replacement Filter Compatible with AIRTOK KQ-31 and KQLKJ KQ-31, iooo K31, Aucleia KQ-31/KQ-31A Purifiers, 3-in-1 Filtration System

Perfectly Compatible--Compatible with AIRTOK KQ-31 and KQLKJ KQ-31, iooo K31, Aucleia KQ-31/KQ-31A Purifiers. Please check your purifier model before making an order. | 3-Stages Filteration System--Our replacement filter is designed in 3-in-1 Filtration. 3-layer filtration system includes: Pre-Filter layer + H13 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. | Life Time--To ensure your air purifier running at high performance, recommend replacing the replacement filter every 3-4 months. | Buy with Confidence--Our filter replacement can be installed easily without any tools. If you have any questions about the filter, please feel free to contact us.