General description These 4PCS filter replacements are specifically designed for the V8 FOCUS Mattress Vacuum Cleaner. They enhance the vacuum's performance and contribute to a clean and comfortable living environment. Technical specifications Compatible Model: V8 FOCUS Mattress Vacuum Cleaner Post Filter Compatibility: Only for V7 and V8 vacuum models Quantity: 4PCS Package Contents: 2 Front Filters, 2 Rear Filters Material: Plastic Measurement allowed error: +/- 1-3cm Usage Washable and reusable: Filters can be washed directly with water and reused after drying. Recommended cleaning frequency: Every 2-3 weeks. Recommended replacement frequency: Every 2-3 months for optimal performance. High-efficiency activated carbon filter absorbs household odors from pets, cooking, smoking, and harmful VOCs. Other information Easy to replace and disposable, no tools required. For optimal performance, replace filters every 6 months. Note: Light reflection and different displays may cause the color