Highly efficient filtration system that intercepts dust and debris, preventing motor damage and extending the lifespan of the vacuum. Crafted from high-density HEPA media, ensuring high filtration efficiency and durability with a reinforced frame. Recommended replacement every 3 to 6 months based on usage frequency to maintain optimal performance. Compatible with for Cinetic Big Ball DC77/DC75 upright vacuums, ensuring a and functionality. The UP14 Pre-motor filter is designed to enhance the performance of your vacuum by providing superior filtration. Its high-density HEPA material captures fine particles, ensuring cleaner air and protecting the motor from dust buildup. Regular replacement of the filter is essential for maintaining powerful suction and prolonging the life of your vacuum cleaner. Color: As Shown Material: Plastic Package Contents: 2*vacuum filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.