1. The filter element can be washed repeatedly after use, and can be used after drying2. Features: three layers of silicone sealing ring, HEPA sponge, MAHLE PET filter paper3. It can be easily removed and replaced as part of normal maintenance4. It is highly matched with the equipment, and it is recommended to replace the accessories regularly5. V12 net weight 102g, V10 Slim 108g, V15 net weight 125g