- Perfect Compatibility: These replacement pre-filters are specifically designed for LG CordZero A9 series cordless vacuum cleaners, including models A939KBGS, A937KGMS, A907GMS, A927KGMS, A925KSM, and A927KVMS. Enjoy a perfect fit that ensures optimal performance. - Enhanced Suction and Filtration: Featuring a tightly sealed rubber ring that fits snugly over the plastic frame, these filters maximize suction power and prevent dust from entering the vacuum cleaner's motor. They effectively capture dust, food particles, and pet hair from various surfaces, making your cleaning tasks more efficient. - Washable and Reusable: These pre-filters are environmentally friendly, as they can be washed and reused. Simply rinse with water and allow to dry before reusing. This durability ensures long-term performance and reduces waste. - Convenient 4-Piece Set: This set includes 4 high-quality pre-filters, ensuring you always have a spare on hand. Regular replacement every 2-3 months is recommended to maintain your vacuum cleaner's efficiency and to help protect your family from respiratory issues. Use Scenarios: 1. Ideal for homes with pets, these filters efficiently capture pet hair and dander, promoting a cleaner living environment. 2. Perfect for households with children, effectively trapping crumbs and allergens from floors, carpets, and upholstery. 3. A practical solution for allergy sufferers, enhancing indoor air quality by preventing dust and allergens from recirculating.