Perfect Filter for Dyson V11: ANKA filters for Dyson V11 SV14, The post-filter is perfectly compatible with Dyson V11 for Dyson Filters Spare parts. Pls confirm your accessory model and size before purchasing! Highly Efficient Filtration Technology: High-quality double-layer seals help increase the suction power of the vacuum cleaner. High-quality, high-efficiency pre- and post-filters ensure your vacuum cleaner operates correctly and optimally. It is best to replace the filter every 2-3 months or depending on usage. Easy to wash and reusable: High-quality double-layer seals help increase the suction power of the vacuum cleaner. High-quality, high-efficiency pre- and post-filters keep your vacuum cleaner working properly and optimally. It is best to replace the filter every 2-3 months or depending on usage. Premium Double Layer Filter: Premium double layer filter, restore high efficiency performance: This replacement pre-filter is composed of a high-quality upgraded double filter that strengthens filtration, extends the life of the device and maintains the suction effect to create more fresh air for your family. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.