Reliable material: the siphon is made of stainless steel and solid chrome-plated brass and can be used with precisely installed silicone gaskets. It can be permanently fixed without limescale or corrosion Connection size: G1-1/4 inch and 32mm as standard, fits most standard sinks Built-in water storage design: it can effectively isolate odors, prevent insects from crawling out of the drain, and bring you a pleasant experience Elegant appearance: the sliding decorative ring covers the connection with the wall, making it elegant and attractive Please check the size carefully before purchasing The tube connected to the drain is 22 cm long and can also be adjusted to 14 cm long There is a water storage (air trap) in the sewer pipe, which can play the role of air and insect control, and the air trap can be disassembled and cleaned Suitable for installation in a slightly larger basin, the overall match is very neat Equipped with installation instructions, attached wall hole seal, simple installation and convenient use Length: 34cm, which can be shortened as needed Height of the straight tube: 15 cm, adjustable as needed The tail piece is 150mm long and can be retracted to adjust the length by 80mm Tail piece installation specification: G1-1/4 European uniform mounting size, easy to install