Life span

Before you purchase a negative ion generator you need to know the life span. Worn-out ionizing needles can cause lower ion counts or the generation of ozone which can be harmful to the human body. Life span Life span -(Extract from "Pay attention to specifications") Specification item Example Importance Life span 5 years+ High We believe you want to purchase a product which can perform well for long periods. Generally, ionizing needles determine the life span of negative ion generators which incorporate the discharging method. Worn-out ionizing needles can cause lower ion counts or generation of highly concentrated ozone. Before you purchase a negative ion generator you need to know the life span and how it is determined. The industry's highest performance negative ion generator [Users testimonials] Good sleep 74%, Alleviation of migraine 85%, Less shoulder pain 66%, Feel refreshed 76%