Brass quick-connected female straight fittings are made of a brass body, two rubber o-rings and one stainless steel spring ring. The whole prodcut is nickel plated, so the color is silvery white. Only one side of fitting can connect stainless steel pipe and the other side can connect other fitting or pipe with male thread. The process of production is forging, shot blasting, fine finishing, nickel plating, assemblying, testing and packing. They can be used for hot and cool water-supply system. The greatest advantages of this product is easy and quick installation. It is connected when the pipe enters into the fitting, without any tools.Designed for easy installation.They are ued to connecting for stainless steel pipe, from size 13 to 25.