【Product Overview】 This is a filter for drum-type washing machines, featuring a fine-mesh net. It effectively catches small debris and lint. 【Quantity and Usage】 Easy to replace. 【Antibacterial and Deodorizing Effects】 Has antibacterial effects. - Product Name: Filter for Drum-Type Washing Machine - Quantity: Set of 20 and 30 filters (2 sets total) - Purpose: Removing debris from the washing machine tub - Features: Fine-mesh net catches even small debris - Antibacterial/Deodorizing: Antibacterial effect I am selling these because I no longer need them as I changed washing machines. Thank you for looking.