1Pack AP2503 Replacement Filter for KOIOS AP2503 Air Purifier, 3-in-1 H13 True HEPA and Activated Carbon Replacement Filter for Home Large Room, Pet Hair, Smoke, Dust, Pollen, AP2503, White

【Compatible with KOIOS AP2503】
This genuine replacement filter is designed for the KOIOS AP2503 air purifier and works efficiently in spaces up to 2,500 sq. ft. It fits perfectly in spacious living rooms, open-concept homes, basements, and master bedrooms — helping deliver fresh air to every corner of your home.

【Advanced 3-in-1 Filtration】
Breathe easier with our premium 3-stage filter, designed for larger spaces. The washable pre-filter, H13 True HEPA filter, and high-efficiency activated carbon filter work together to capture small airborne particles — helping keep the air clean and fresh throughout the room.

【Smart Replacement Alerts】
Your KOIOS AP2503 HEPA air purifier has a built-in filter life indicator that lets you know exactly when to swap in a new filter — taking the guesswork out of home air purifier maintenance. The life of this H13 True HEPA filter can be extended when used with the washable pre-filter.

【Easy Replacement】
Your KOIOS AP2503 pet air purifier typically reminds you to replace the filter every 3–6 months. The replacement process is simple and straightforward — no tools required. Just open the unit, pop in the new AP2503 filter and pre-filter, and you’re done in seconds. Breathe easy.

【For Pets & Odors】
Designed for homes with pets, frequent cooking, or smoking. Whether you're using it in a main living area or a bedroom, this upgraded activated carbon filter is filled with dense carbon pellets to help absorb stubborn pet odors. The HEPA layer also helps capture pet dander, dust, and pollen.