Compatibility - Spare parts for Ecovacs Deebot T9, T9 MAX, T9 POWER, and T9 AIVI. (Please confirm your robot model before purchasing!) Simply insert into your vacuum cleaner to create a fresh, fragrant living space. Pet odors can remain inside your vacuum and release unpleasant smells during use. These floral-scented lozenges fit into the filter to help keep your rooms clean and fresh. It is recommended to replace the deodorizers monthly to maintain freshness for up to 6 months. Color: As shown in photo Material: Plastic Size: 33 x 27mm Package Contents: 4 x Bergamot and lavender fragrance 4 x Blue wind chimes aromatherapy 2 x Cucumber and oak moss aromatherapy The package includes only the items listed above; other products are not included. Note: Due to light reflection and differences in display screens, the color in the image may vary slightly from the actual item. Measurement error is +/- 1-3cm.