... :40bx/ctn4.Colour:white,green,blue,pink,yellow.5.Sanitation and quality in accord with CE,FDA,ISO9001 standards.6.Customers ... Non-irritating to skin.4.Permits air passage and breathable.5.In clinical offices,housework,gardening and maitenance for filtering dust, ... pollen,and bacteria.6.In laboratories and factories for blocking liquid mists,harmful airborne ...