1、Thick brass casting, corrosion resistance, wear resistance, no rust, no blackening, no fading and has high durability. 2、The bounce floor drain leaks quickly and is easy to maintain. Specially structure design for odor-proof function. 3、Built‑in silicone sealing ring, tightly closed and matched for effective insect and odor prevention. 4、One step can easily control drainage, easy to close and open, brings quick and convenient daily cleaning. 5、50MM/75MM national standard universal installation pipe diameter, suitable for 99% of households. Specification Item Type: Bounce Shower Drain Material: Brass Process: Anodizing Surface Treatment: Paint Process Floor Drain Size: Approx. 10 x 10cm/3.9 x 3.9in Weight: Approx. 349g/12.3oz Application: Suitable for Bathroom/Kitchen/Balcony, Etc. Installation Pipe Diameter: Approx. 50mm(1.97in) / 75mm(2.95in) Inner Core: Brass Bounce Core Package List 1 x Floor Drain