efficiency filtration: This air conditioner filter uses a unique blend of plastic and cotton materials to effectively trap dust and impurities, delivering a cleaner indoor atmosphere while prolonging the filter's lifespan. Easy installation: With a userfriendly hanging design, the filter slides effortlessly into the designated slot, eliminating the hassle of complicated setups. Dust proof design: The filter significantly reduces dust and dirt entry into your air conditioning unit, maintaining cooler airflow and enhancing overall comfort in your living space. Health protection: By blocking harmful airborne particles, this air filter improves indoor air quality, promoting a healthier environment for you and your family. Materials and fit: Constructed from a durable plastic and cotton blend; designed to slide into the designated slot in compatible air conditioner units for straightforward replacement. Use scenarios: Home with pets or seasonal allergies: helps trap pet dander and common indoor dust, contributing to cleaner air in living spaces. Office or dorm room during dusty periods: reduces dust intrusion into the AC system, supporting a more comfortable and cooler environment. Busy households or traffic areas: maintains better air quality and helps extend filter life with regular replacements.