Compatible Models Designed specifically for Dayette AP303 and AP304 as well as Freshdew AP303 and AP304 air purifiers. fit ensures performance in large rooms for home use. Advanced HEPA Filtration Includes two replacement filters for AP303/AP304 models. Each filter is equipped with a true HEPA media that captures up to 99.97% of airborne particles as small as 0.3 microns. Ideal for reducing dust, pollen, pet dander, and other allergens. The filter set also integrates a prefilter and activated carbon layer to trap odors from pets, cooking, and smoke, providing a consistently cleaner and fresher living environment. ThreeLayer Efficiency System Features a doublesided air inlet design paired with a 3in1 filtration system. Each unit combines: PreFilter to capture large particles such as hair and lint HEPA Filter to remove fine airborne pollutants Activated Carbon Filter to reduce household odors Seamless integration of these layers ensures effective removal of microscopic particles and unwanted smells for a healthier home atmosphere. DualSided Performance Supplied as two complete filter units to match the original dualsided air intake design of AP303 and AP304 air purifiers. This configuration allows for faster air circulation in large spaces, delivering stronger cleaning performance and more efficient operation. Practical Applications for households with allergies or asthma sufferers, helping to reduce airborne triggers and improve indoor air quality. Suitable for pet owners who need to control pet hair, dander, and odors. Ideal for kitchens or living areas where cooking smells or smoke can linger, ensuring fresh air throughout the day. Product Specifications Compatibility: Dayette AP303, AP304; Freshdew AP303, AP304 Quantity: 2 filters per set Filtration System: Prefilter, HEPA filter, activated carbon filter, net filter Particle Removal: Captures 99.97% of particles down to 0.3 microns Design: Dualsided air inlet for enhanced airflow and purification efficiency with these filters regularly to maintain your air purifier's performance and protect the quality of your indoor air.