... Ultra Pulse, CO2 Fractional Laser Machine MED-870+, 635 n Large Image : Vertical 0 - 20KHz Ultra Pulse, CO2 Fractional Laser Machine MED-870 ... monthDetailed Product DescriptionVertical 0 - 20KHz Ultra Pulse, CO2 Fractional Laser Machine MED-870+, 635 nm Applications· Skin Resurfacing ... (including Striae Gravidarum)How it works?Fractional CO2 laser therapy works mainly on the principle of fractional ...