[DETAIL] Features: The activated carbon filter cotton is made of high-quality powdered activated carbon as the adsorption material, and is made of polymer bonding material, which is attached to the fiber matrix, and has good adsorption performance. Description: Name: Purify Cotton Colour: Black Material: cotton + activated carbon Size: 10.5 x 11.5 x 0.5cm Applicable: pet cat litter box, pet toilet, etc. Packing list: 3 x  Purify Cotton Note: Different displays may cause the color of the item in the picture a little different from the real thing. Manual measuring,please allow 1~3mm error,thank you. [ATTRIBUTES] - Hign-concerned Chemical: None - Set Type: Yes - Material: Other - Hign-concerned Chemical: None - Set Type: Yes - Material: Other - Model Number: 10.5 x 11.5 x 0.5cm - Origin: Mainland China - Item Type: Cat Cleaning Tools