AP006 HEPA Replacement Filters Compatible with White Black AP006 Air 6 Pack 4 Stage H13 HEPA Washable Filter Replacement For MS18 MS19 Air Amazon.com: 2 Pack 400 Hepa 14 Air Purifier Filter Replacement Filters Replacement HEPA Filter Amazon.com: H14 True HEPA Filter Replacement for Smoke, High Efficiency. Air treatment is heavily influenced by the extreme weather conditions of bushfires and floods. This puts a strain on asthma and allergies, causing breathing difficulties. This Air Purifier Filter 18. 6cm x 14. 2cm for the Air Purifier with CADR 170m h will prevent the interior risks of poor air quality. We recommend replacing the filters about every six to eight months, sooner or later depending on the frequency of use and pollution level in the environment. The filter replacement indicator will illuminate on the touch screen of the air purifier and an increased operating noise coupled with decreased airflow will signal it is time to change out the size 18. 6cm x 14. 2cm HEPA filter. Changing the filter is as simple as twisting open the bottom of the air purifier and swapping out the filter. Always ensure the packaging is removed first before inserting the filter into the air purifier. Its time to finally breathe easy with our replacement filters for our air purifiers. Features: For Air Purifier with CADR 170m h Filter: Pre filter + HEPA + activated carbon Measurements: 18. 6cm x 18. 6cm x 14. 2cm Weight: 360g Inclusions: 1 x HEPA filter GTIN: 9324008022613