Coolnut H13 HEPA Filter for Smart Air Purifier, Standard Filter, HEPA Filter with Activated Carbon Filter—2 Pack

H13 Filter with Smart Standard Air Purifier filter. Model is identical to . H13 Hepa Filters : air through dual HEPA filters, that 99.97% of particulates larger than 0.3 microns, makes your air fresher Make you have beautiful environment Standard filter 2 In 1 Grade HEPA Filter captures 99.7% of airborne particles down to 0.3 microns in size, -Efficiency filter for All sorts of smoke, hair, And other substances. Replace Regularly to Keep Your Machine Fresh, Replace Every 4-6 Months Depending Usage and Environment. to install, it can be set without any . If you encounter issues during installation, reach out to us.