?????????????? ?????????????????????? ????????????: Designed For Core300-P / Core 300S-P Air Purifier To Maintain Its Peak Performance. With Cost-Effective Prices To Save You Money For Your All-Year-Round Air Cleaning Needs. We Recommend Replacing Your Filters Every 6 To 8 Months | | ???????????? ?????????????? ????????????: Quality, Detailed Manufacturing Process, And Free From Size Mismatches To Tackle Unwanted Odors. Uses Superior And More Efficient Materials, Ensuring Longer Filter Lifespan And Cost SavingsNo Need For Extensive Comparisons. | | ???????????????? ????????????????????: While The Ultra-Fine Nylon Pre-Filter And Activated Carbon Filter Capture Large Particles And Absorb Odors And Fumes, The Main Filter Of The 3-In-1 Filter Removes Dust, Pollen, And More | | ???????? ?????????? ????????????????S: Ultra-Fine Nylon Pre-Filter Captures Large Particles Such As Dust, Lint, Fibers, Hair, And Pet Fur, And Also Helps To Maximize The FilterS Life | | ???????? ?????????????????? ??????????: High-Efficiency Activated Carbon Filter Physic.