Product Dimensions:2 x 2 x 2 cm; 100 Grams Quantity:1 batteries required:No Batteries Included:No Item Weight:100 g Welcome to my store , Hope you have a pleasant shopping trip! Features:1. It uses polymer bonding material and powdered activated carbon with good adsorption.2. Reduce and lower the concentration of odor in the litter box, improve the air quality and keep the indoor air fresh.3. Easy to install, simple and quick to replace.Specifications:Color: blackMaterial: powdered activated carbonSize: single piece: 10.5cmx11.5cmx0.5cm/4.1"x4.5"x0.2"Package List:6pcs x Cat Litter Box FiltersNotes: 1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.2. Please allow 1-2cm slight dimension difference due to different manual measurement. Material: Using Polymer Bonding Materials, High-quality Powdered Activated Carbon Has Good Adsorption. Durable: Each Piece Can Be Used For 30 Days, Recommended Every 20 Days to Replace the Activated Carbon Filter Cotton, Reduce the Cat Litter Box Odor. Filter Odor: Effectively Reduce and Lower the Concentration of Odor in the Litter Box, Improve Air Quality and Keep the Indoor Air Fresh. Application: Package Contains 2 Packs, Each Pack of 3 Pieces, Suitable For Lift-the-lid Fully Enclosed Litter Box. SHOP WITH CONFIDENCE: To provide you with the highest quality service, If you have any question, please feel free to contact us.We will provide after-sales service until you are satisfied. See more product details Material: Using Polymer Bonding Materials, High-quality Powdered Activated Carbon Has Good Adsorption. Durable: Each Piece Can Be Used For 30 Days, Recommended Every 20 Days to Replace the Activated Carbon Filter Cotton, Reduce the Cat Litter Box Odor. Filter Odor: Effectively Reduce and Lower the Concentration of Odor in the Litter Box, Improve Air Quality and Keep the Indoor Air Fresh. Application: Package Contains 2 Packs, Each Pack of 3 Pieces, Suitable For Lift-the-lid Fully Enclosed Litter Box. SHOP WITH CONFIDENCE: To provide you with the highest quality service, If you have any question, please feel free to contact us.We will provide after-sales service until you are satisfied.