Water & Dirt security: Suitable for both dry and wet needs, resistant to and grime, ideal for use with vacuum mop units Perfect Compatibility: Specifically designed for cordless vacuum and mops, ensuring proper fit and secure installation Works with various models including Air series devices Enhanced Filtration Technology: Constructed with filtering substance to effectively block, pet hair, pollen, debris and small particles, improving air purity Sturdy Structure: Made with reinforced to avoid deformation and maintain stable function over time, ensuring long term reliability Restores Efficiency: Direct replacement for original, quickly improving your vacuum ' s suction and filtration for better results