General description The 12 Pieces Vacuum Cleaner Bags ZR200520 Hygiene+ are designed for optimal compatibility with Compact Power and X-Trem Power robot vacuum cleaners. Each bag features a large capacity, ensuring that you have enough supply to meet your daily cleaning needs. Technical specifications Compatible Models: ZR200520, ZR200720, ZR200920 Material: Multi-layer microfiber Filtration Efficiency: Effectively filters 99.99% of dust and dirt particles Usage Easy to replace: When removing the vacuum bag, its opening automatically closes to prevent dust from escaping. Recommended replacement frequency: Every 3 months, depending on usage.