Universal Fit: Standard 1 1/4" connection thread and Ø 32mm drain pipe, chrome plated siphon works for all types of bathroom sinks: most standard sinks, undermount sinks, basins and pedestal sinks. Polished gold. Brass Construction: Heavy duty solid brass siphon for sink drain, silicone gaskets to keep the siphon permanently sealed and free from scale and corrosion. Easy Installation: The siphon contains all the parts needed for sink installation or replacement. Easy installation with push-in fittings - Hand tightening the fittings is enough. Easy to Clean: Removable drain design prevents hair and other debris from entering the drain. Simply unscrew, disassemble and clean the siphon. Beautiful and Practical: This odor trap is a wonderful blend of practicality and beauty. Resistant to moisture-proof, anti-corrosion, high temperature resistant. With multiple anti-odor designs. Thick rubber wall gasket included to prevent leakage and odor.