Fein Flat Fold Filter is designed to keep airborne particles at bay, ensuring cleaner air during your vacuuming tasks. Made from durable cellulose fibers, this 1-micron flat-fold filter reliable filtration performance. It is compatible with several vacuum series, including Turbo I, Turbo II, and Turbo II HEPA, making it a versatile choice for maintaining your vacuum’s efficiency and air quality. Model Number: 31345012010