General description Made of high-quality materials, these filters are practical to use and designed to maintain the BLACK+DECKER POWERSERIES Cordless Stick Vacuum BSV2020G's cleaning performance. They effectively reduce the penetration of dust, pollen, and other allergens into the air, making them ideal for asthma patients, allergy sufferers, and pet owners. Technical specifications Material: Plastic Color: As shown Package Contents: 6 filters Measurement allowed error: +/- 1-3 cm Usage For optimal performance, it is recommended to replace the filters every 2-3 months or according to usage. The filters can be easily removed and replaced as part of normal maintenance.