Features – -AISI 304 Stainless Steel, Brushed Surface, Brushed Steel Finished protect against corrosion & rust -Allow easy height adjustment for different surface tile thickness -Shallow 'V' Profile to Aide Flow of Water to Shower Drain Outlet. Enhanced internal slope virtually eliminates water remaining in the channel -Linear Drain easy by simply allowing you to rest the Flange on the floor edge. And place cut tile on grate