COMPATIBLE MODEL: Compatible with AZ3000, AZ3002, HZ3000, HZ3002, ZD550, IZ862H, IZ562H vacuum cleaners. REPLACEMENT CARTRIDGES: Replacement cartridges for products with odor neutralizing technology. FRESH SCENT: Protects against unpleasant odors inside your vacuum cleaner, for a fresh-smelling home. EASY TO INSTALL: Align the arrows on the cartridge with the arrows on the nozzle, insert the cartridge and turn the intensity dial to your preference. RECOMMENDED REPLACEMENT: It is recommended to replace the cartridge every 4 to 6 months to ensure optimal results. Material: Plastic color: green + white Package Contents: Package: 4 x Odor Eliminator Cartridges Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.