Tool installation and versatile design: formaldehyde removal filter pads crafted from composite sponge material with formaldehyde removal properties; no tools required for installation; suitable for multifunctional use across different air conditioning models. Longlasting performance and optimized airflow: replacement cycle extended to up to 6 months; improved airflow dynamics enhance cooling efficiency and reduce maintenance efforts. Advanced filtration technology for cleaner air: air conditioning filter cotton pads incorporate silver ions technology; delivers 98% PM2.5 filtration efficiency for cleaner, healthier indoor air. Broad compatibility and convenient operation: helps maintain fresh air in bedrooms, living rooms, or workplaces during hot summers; suitable for various air conditioning models. Use scenario: Bedroom in hot summers: install quickly without tools; reduces PM2.5 and odors, keeping the sleeping area cooler and air fresher. Use scenario: Living room or office spaces: compatible with a range of AC units; provides extended replacement cycles and improved airflow with minimal maintenance. Use scenario: Classrooms or shared workspaces: supports clean air and comfortable temperatures in educational or professional settings, suitable for different AC models.