supply of stethoscope ,anti embolism stockings class1 ,surgical mask 3 layers & sterile disposable i v cannula , anti embolism stockings class1 large thigh length to apply the graduated pressure patter n of 18mmhg at the ankle 14mmhg at the calf 8mmhg at the popliteal 10mmhg at the lower thigh and 8m mhg at the upper thigh. [ warranty period: 30 months after the date of delivery ] ] , surgical mask 3 layers with antibacterial filter for surgeons. disposable three la yer mask consists of two layers of non-woven fabrics and a piece of filter paper capable of filtering out bact eria at a rate of 96percent and above and good air permeability comfortable to wear dust prevention and st erilization. environment friendly and wholly plastic strip is adopted for the part over the bridge of the nose so it can be adjusted at will to fit the line of bridge of nose without glass fibres hypoallergenic. [ warranty period: 30 months after the date of delivery ] ] , sterile disposable i v cannula size -22 with catheter and injection valve/port [ warranty p eriod: 30 months after the date of delivery ] ] , stethoscope [ warranty period: 30 months after the date of delivery ] ]