Effective filtration: This activated carbon air conditioning filter cotton effectively captures grease, dust and airborne particles, ensuring a cleaner environment in your kitchen or workspace while maintaining airflow for your appliances. Odor elimination: Specially designed to neutralize cooking smells and unpleasant odors, this range hood filter cotton helps maintain a fresh atmosphere, making your kitchen more enjoyable and less odorous during meal preparation. sizing: 3mm thick filter cotton that can be easily cut to fit any range hood or air conditioner. Available dimensions are 30*40cm, 40*60cm and 60*80cm. Durable, long lasting material: Made from robust fiber cotton construction for sustained performance and longevity, able to withstand regular use without compromising filtration effectiveness or requiring frequent replacements. Easy to install and tailor: Simply cut to size to match your housing; ensure a snug fit for filtration and airflow. Use scenarios: Home kitchen with a range hood: use to reduce grease buildup and control cooking odors during and after meals. Studio or workshop kitchen areas: helps maintain a cleaner, odor environment where cooking and work occur in nearby spaces. Small apartment or office kitchenette: improves air quality and freshness when using an air conditioner or hood in compact spaces.