DeLonghi Vacuum Filter 6490000674 Fits DeLonghi SCU8MA, U10MA, and U11MA models. Replace every 3 months. AirFilters.com This DeLonghi Vacuum Secondary Filter fits DeLonghi SCU8MA, U10MA, and U11MA models. For optimum performance, it is suggested to change your filter every 3 months! This vacuum filter retains dust and other particulates from the air while you vacuum, making the air in your home or business cleaner and more breathable. Purchase one for your vacuum cleaner today!