Odor Neutralizer Cartridges – Compatible Replacement for Shark IZ400UKT, IZ400UK, IZ420UKT, NZ860UKT, NZ860UK, AZ913UK, AZ913UKT, HZ3000UKT Vacuum Cleaners. (Please verify your vacuum model before purchasing.) Easy to Install: Align the arrows on the cartridge with those on the nozzle, insert, and adjust the intensity dial to your preference. Fresh Scent: Uses odor-neutralizing technology to help reduce unpleasant odors inside the vacuum and leave a light, fresh scent during cleaning. High-Quality Construction: Designed to minimize vacuum-related odors while releasing a subtle, pleasant fragrance. Replacement Interval: Replace every 6 months for best performance. Color: Green Material: Plastic Package Includes: 4 x Odor Neutralizer Cartridges 1 x Cleaning Brush Note: Actual product color may vary slightly due to screen settings and lighting conditions. Dimensions may vary by ±1–3 cm.