Tender For corrigendum : supply of 10688 - hme (heat and moisture exchange) filtermaterial: plastic, end: 15/22 mm female end; 22mm male end. breathing filter should be combination of pleated mechanical filter and electrostatic charge attraction. the filtration efficiency should be more than 99.99% for virus and bacteria [ warranty period: 30 months after the date of delivery ]
Tender For supply of surgical mask 3 layers with antibacterial filter for surgeons. disposable three-layer mask consists of two layers of non-woven fabrics and a piece of filter paper capable of filtering out bacteria at a rate of 96percent and above and good air permeability comfortable to wear dust prevention and sterilization. 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. ]