True HEPA Replacement Filters Compatible for VEVA ProHEPA 9000 Air Purifier .<br><br><br><br> <b>Package Include: </b><br><br><br> 2 X HEPA Filter Replacement<br><br><br><br> 8 X Carbon Pre-Filter <b>Maintenance:</b><br><br><br> The filter should be replaced every 6-12 months. But the replacing period also depends on how often you use your filter and around the environment.<br><br><br><br> <b>Disclaimer:</b><br><br><br> This is not the VEVA OEM product. VEVA is a registered trademark of the original manufacturers.<br><br><br><br> Any use of VEVA brand name and model designation is made solely for the purposes of demonstrating compatibility.