Specification: Linear Shower Drain Size: 32 x 2.8 x 2.5" The diameter of outlet is 2",high displacement with an average of 60 l/min (without filter mesh). Linear Shower Drain Material: Our Linear Drain is made of high quality AISI 304 stainless steel,the special production technology to prevent corrosion and rust.It has passed CE and WATERMARK test certification to ensure product safety and functionality.