Brass compression equal straight fitting is made of one brass body, two brass o-rings and two brass nuts. The color of whole product is silvery white, because of nickel-plated after machining. The both sides can connect pipes and the sizes are same, so they can connect same size pipes. The process of production is forging, shot blasting, fine finishing, assemblying, testing and packing. They are used to connecting for both pex-al-pex pipe and pex pipe, from size 1216 to 4050. They can be used for hot and cool water-supply system and civil heating system. The compression fittings are easy to install,just tighting the nut to the body, without any special tools.