Alpine series represents most advanced and powerful technologies for air cleaning indoors. Alpine 150 is one of the most effective models in the line demonstrating outstanding results in any conditions, any indoor environments. Any mechanical device needs maintenance checks no matter how careful you are using it. Dont forget to clean ozone plates and filters regularly. You will also have to replace them after one year of using, so weve prepared all the stuff you might need including power cords, fan motors, and etc.