GOOD FIT: This A10/A11 Pre Filter is compatible with A10/A11 Hero, A10/A11 Master, and S11 Series Cordless Vacuum Cleaners, helping maintain optimal vacuum performance. DESIGN: This set includes 3 A10 filters, allowing you to have a spare filter ready for use and minimizing downtime. QUALITY: Constructed from high-strength materials, the A11 filters are designed for durability and long-lasting use. EASY TO INSTALL: Simple replacement process with no tools required. FRIENDLY REMINDER: For best performance, replace the A10 filter every 1–4 months depending on usage. COLOR: Gray MATERIAL: Plastic PACKAGE CONTENTS: 3 x Vacuum Filter Note: The package includes only the items listed. Other products are not included. Note: Lighting effects and monitor settings may cause slight color variations between the image and actual product. Measurement may vary by +/- 1-3 cm.