Universal Fit Odor Filters: Perfectly sized at about 3.15x3.15 inches. Safe Material: This activated carbon filters are made of 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.