Features: Ensure air purification in your home with the filters specifically designed for J4 robotic vacuum cleaner. Crafted from ABS, these filters excels at absorbing odors and pollutants, maintaining a clean and freshs atmosphere in your living space. Suitable for pet owners seeking to eliminate pet odors, allergy sufferers, and anyone prioritizing high indoor air quality for a healthier home environment. Perfect for use in high traffic areas such as living rooms and bedrooms, as well as children's rooms and study spaces, to ensure clean breathing air. Extend the life and enhances the efficiency of your machine with these filters, making them essential component for maintaining your vacuum's performances. Specifications: Texture: ABS Applicable Model: For J4 Size: Approx. 4.80x2.01inch(12.2x5.1cm) Package Includes: 2 Optional Package: 4x Filter Or 8x Filter note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.