2x Core 300 Replacement Filters — Compatible with Levoit 300S, 300RF, 350RF Why you need these filters Restore your Levoit purifier's performance: fresh filters the unit to efficient air cleaning so it captures more dust, pet dander, allergens, and common household odors. Maintain healthier indoor air: regular filter replacement reduces airborne particles that aggravate allergies and respiratory irritation. Convenient 2pack: two replacement filters let you swap one now and keep a spare for the next change, minimizing downtime. Key features and benefits Compatibility: explicitly designed for Levoit models 300S, 300RF, and 350RF to ensure proper fit and airflow. Function: core replacement filters that support efficient purification of home and office air by trapping particles and reducing odors. Size and fit: made to match the Core 300 filter form factor for an easy, secure installation without modification. Performance: engineered to provide lasting filtration performance so your purifier operates close to its original specification. Easy installation: simple to remove the old filter and insert the replacement—no tools required. Practical applications (use scenarios) Pet households: use in living rooms or bedrooms to reduce pet dander and petrelated odors for a more comfortable environment. Allergy season or dust environments: install during pollen season or after cleaning/renovation to lower airborne allergens and dust. Shared spaces and kitchens: keep offices, apartments, or cooking areas fresher by reducing lingering smells and small airborne particles. What to expect A twofilter set designed to the Core 300 filter in supported Levoit models. Quick swapin replacement that helps the purifier recover its intended cleaning efficiency. A straightforward, reliable way to maintain cleaner indoor air for you, your family, or coworkers. Compatibility reminder Fits Levoit 300S, 300RF, and 350RF models only. Please confirm your model before .