Made of high-quality materials, more durable. Longer performance, better filtration. It can be easily removed and replaced as part of routine maintenance. It is recommended to replace spare parts every 2 to 3 months according to the frequency of use to keep the machine at its best performance. Suitable for Vorwek VK135 VK136 FP135 FP136 KOBOLD135 KOBOLD136 VK369 etc.