Our gas mantle has advantage of being bright and durable. any size is avaible. our heatproof glass chimney for pressure lantern can resist 350 centigrade. it will not be broken even if you spray cold water on the glass when burning. our metal nozzle is the newest replacement of traditional ceramic nozzle, 1 pcs is enough for your lanterns lifetime. if you are interested in our distinctive products, pls contact us without any hesitation.