Structure: | Portable |
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Usage: | Car |
Air Volume: | <50m³/h |
Customization: |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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Payment Method: | |
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Initial Payment Full Payment |
Currency: | US$ |
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Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Suppliers with verified business licenses
negative ion concentration corresponding effection table | |
anion concentrations of environmental place | human health relationship degrees |
forest or waterfalls:10000-20000 pcs/cm3 | the human body has healed force |
mountain or seashore:5000-10000 pcs/cm3 | sterilization, prevent disease |
country or field:1000-5000 pcs/cm3 | enhance human immunity, antibacterial force |
wilderness or suburbs :100-1000 pcs/cm3 | enhance human immunity, antibacterial force |
park:400-1000 pcs/cm3 | enhance human immunity, antibacterial force |
city park:400-600 pcs/cm3 | to improve health |
street greening area:200-400 pcs/cm3 | weak improve health |
city room:100 pcs/cm3 | induce physical barriers headaches and insomnia, etc |
building office:40-50 pcs/cm3 | induce physical barriers headaches and insomnia, etc |
industry development zones:0 pcs/cm3 | easy induce all kinds of disease |
Suppliers with verified business licenses