SereneLife Premium True HEPA Replacement Filter Including 3-Layer Activated Carbon Compatible with SereneLife Air Purifier (PSLAPU35) | Air Filter Replacement | Allergen Remover (PRTSLAPFT1) EXTEND THE LIFE OF YOUR AIR PURIFIER: To keep your air purifier working at peak performance, you need to change filters every 6 months. This air filter replacement will keep your purifier in top shape REMOVE BACTERIA & ALLERGENS: Remove potentially hazardous germs and allergens with this replacement 3 layer filter. Each layer is used to keep air clean, including a pre-filter, activated carbon & HEPA FULLY COMPATIBLE: Purchase this replacement filter in full confidence that it is fully in sync with the SereneLife Air Purifier (PSLAPU35) model KEEP YOUR HOME CLEAN: Keep your home clean immaculate and allergy-free by changing filters frequently. Clogged and dirty filters are the number one reason an air purifier is not performing as expected REPLENISH YOUR SUPPLIES: Re-up on your accessories for your SereneLife Air Purifier (PSLAPU35) and never be caught without this essential clean air addition