Usage Tips:Compatible with: 9164761 base filter is suitable for Miele T1 series heat pump dryers, such as TSD 443 WP, TSF 763 WP, TSA 213 WP, TWF 640 WP, TCH630WP, TKB140WP etc. Please refer to the model diagram for specific applicable models.Fine/Coarse Double-Layer Design: The filter for Miele made of filter sponge, consists of thick and thin foams, fine filter is used to filter fine dust, small particles and coarse filter is used to filter heavy dirt, thick lint. The two-layer structure ensures that impurities are optimally filtered out, ensuring high performance and low energy consumption in your dryer.Product sizeThe dimensions of the dryer filters are 207 x 157 x 30mm. To ensure compatibility, please measure the size of thedryer filter before purchasing.Washable & Reusable:Filter can be rinsed under running water and reused after drying.Recommended to wash once a month. regularly: The dryer filters are consumables, and the filter performance may decrease after 3 to 6 months of use. To protect the dryer, regular filter is recommended.