Good Compatibility: for Aroeve MK04 air replacement filter is compatible with for Aroeve MK04 MG04JH perfectly. Please check your model before purchasing to ensure that you can buy the correct product. 4-in-1 System: The mk04 air filter replacement has a 4-in-1 filtration system. The 4-layer filtration system can make the machine's filtering effect better. It can reduce most of the dust, smoke, and other particles in the air. Easy to Install: You can complete the replacement in a very short time without the need for other tools. Just remove the old MK04 filter, remove the packaging of the MK04 replacement filter, and insert it. High-Quality Materials: Elaborately selected high-quality materials. This MK04 replacement filter has a special silver layer, which can have better performance. High Cost-Effective Packaging: Each pack contains two filters, which is more cost-effective than buying single ones. Regular replacement according to usage frequency and air condition can make the effect better. Colour:Blue+Black Material:plastic Package Contents: 4 x Replacement Filter