Liquated gas lighter with non-adjustable flame height, comprising a gas reservoir, a burner and a gas flow limiting device consisting of a microporous membrane gripped between a first seating body and a second seating body. First seating body has a through hole that comes out on one side directly into microporous membrane and on the other side into reservoir. Second seating body has a seating surface in contact with membrane, a groove formed in seating surface, an outlet duct and a linking passage between groove and outlet duct. Through hole is facing, at least partially and through microporous membrane, groove.