Model Name: 10" Replacement Pleated Cartridge Filter 8107-01, 10-Inch high Compatible with Vacuflo FC610 FC1550, Royal CS1200 Compatible with Dirt Devil Pro Series models: 1390, Dirt Devil Platinum Force models: 499e, 599e, 699e, 799e and 1099e How long to change your filter? - With use, your filter may become clogged with dirt and debris, and your vacuum performance and airflow may suffer. To get optimal performance out of your vac, it’s better to replace the filter at least twice a year with average use. NOTE: this is an aftermarket replacement vacuum cleaner filter manufactured by Wadoy. Any vacuum cleaner manufacturer brand name is used solely for the purpose of demonstrating compatibility. The product is not sponsored or endorsed by ,or affiliated with the brands it fit ,including Dirt Devil, Vacuflo, Vroom,Titan, Royal.