KJ500 Replacement Filter Compatible with Our Happi KJ500 Air Purifi-er, 4-in-1 Filter of Premium Filter, Activated Carbon, Fine Mesh Pre-Filter and Net-Filter

4-in-1 Filter The KJ500 multi-layer filter contains an fine mesh nylon pre-filter,premium filter,activated carbon layer and net filter, which helps to absorb most of airborne particles such as pet dander,smoke and hair | Compatible ModelThe KJ500 replacement filter is perfectly compatible with Our Happi KJ500 Air Purifi-er | Warm TipIt is recommended to replace the KJ500 filter every 6-12 months depending on your using environment and frequency for optimal performance | Activated Carbon FilterThe KJ500 inner layer of activated carbon filter helps to absorb unwanted household odors such as pet odor,cooking odor, smoke and VOCs | Ease of UseIt is quite easy to replace the KJ500 filter.Just need to take out the old filter and take off the plastic bag of new filter and then replace the new one into your machine