Universal Fit Odor Filters: Perfectly sized at about 3.15x3.15 inches. Safe Material: This activated carbon filters are made of high-quality activated carbon as the adsorption material, and the polymer binding material is used to attach the carbon to the fiber, they are environmental friendly, tear- and safe to use. Quick Replacement: Replace your old filter with a one in seconds, so you can enjoy an odor-free space. Continuously Fresh: In of 12, each filter provides up to two months of powerful odor-absorbing action for long-term freshness. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:Black Material:Filter cotton Size:. 80 x 80 x 5mm Package Contents: 12 x trash can odor eliminator 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.