Function: that feature Odor Neutralizer Technology, with odor neutralization technology to prevent bad odor inside the vacuum cleaner. Easy to Install: No other tools required, align the arrows on the with the arrows on the nozzle, insert the odor neutralizer , and rotate the intensity dial to your preference. Recommended Replacement: It is recommended that the be replaced every 4-6 months to optimal results. Scope of application: Tailored for families with pets, smokers, or those who are passionate about keeping their homes fresh and clean at all times. Type:A: Lavender Flavor Colour:As Shown Material:Plastic Package Contents: 6 * Aromatherapy for floor scrubber Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.