... with filter is your great choice of making tea, coffee, and so on. Glass Tea Cup with Infuser LS-750S LS Series glass ... filter your great choice of making longjing, oolong, scented tea, black tea, green tea, herbal tea, coffee, and so on. We have the following models ... valve, water tight, good filtering function The original taste of tea remindsCan be heated on fire stoves OEM & ODM service offered ...