flintar 2-pack of core 300 true hepa replacement filters, compatible with levoit core 300, core 300s vortexair air purifier, 3-in-1 h13 grade true hepa filter replacement, core 300-rf flintar flintar premium high-efficiency h13 grade true hepa replacement filter set is fully compatible with *levoit core 300 and core 300s vortexair air purifier. this true hepa filtration system includes: <br> <br> -<b>fine pre-filter: </b> traps larger particles in the air like dust, hairs, pet fur, lint, and more<br><br> -<b>h13 grade true hepa filter: </b> captures 99.97% of airborne particles down to 0.3 microns in size <br> <br> -<b>high-efficiency activated carbon filter: </b> neutralizes household odors from pets, cooking, smoke, wildfire, and harmful voc’s<br><br> using flintar premium high-efficiency air purifier filters and replacing the filters regularly will help optimize air cleaning performance. replace your hepa filter every 6 months for optimal performance. <br> <br> <b>fully compatible with levoit core 300 and core 300s vortexair air purifier</b><br> <br> <br> disclaimer: <br> *this is not a oem product. levoit is a registered trademark of the original manufacturers. any use of levoit brand name and model designation is made solely for purposes of demonstrating compatibility.