richbring 2-pack hepa air purifier replacement filter compatible with tredy td-1500 & td-1500bm

These 2-Pack are Compatible with Tredy Air Purifier Filter, model TD-1500 & TD-1500BM replacement, 4-Stage True HEPA Filter. | H13 true HEPA filter removes at least 99.97% of hair , dust, pollen, pet danders and any airborne particles with a size of 0.3 microns (m), ensure you and your family breathe clean air. | Compatible with Tredy air purifier filter, comprises a pre-filter, a HEPA filter, an activated carbon filter, and a protective net filter. | The filter will last for at least six months. To improve its performance, vacuum every two weeks. | Package includes 2 filters, and it is recommended to replace the filter every 6-8 months.