General description Compatible with various models, the 2Pack K3010 HEPA Filter is designed for the BU4018, BU4020, BU4021, BU4022, and other Intuition Upright Vacuum Cleaners. This filter effectively captures up to 99% of dust, dirt, pet hair, and tiny particles, ensuring a thorough cleaning experience. Technical specifications Color: Black Material: Plastic Package Contents: 2 x K3010 HEPA Exhaust Filter Measurement allowed error: +/- 1-3 cm Compatibility and accessories Compatible models: BU4018, BU4020, BU4021, BU4022, BU4023, DU2012, DU2015, DU2109 Installation Simply rinse the filter with water, allow it to dry completely, and then install it back into the vacuum cleaner. Usage It is recommended to replace the filter every 3-6 months for optimal performance. Reusable and washable, extending the service life of the filter.