Plastic Oddities PLP406 Ultra Low Profile Bolt Down Shower Drain for Tile, Granite, Marble & Stone-like Showers Fits Over 2" or Inside 3" Pipe, 3" Total Drain Height for Tight Spaces Ultra-low profile shower drain with total drain height of 3" Fits over 2" or inside 3" schedule 40 DWV PVC pipe Clamping collar is rounded to prevent tearing or cutting of shower pan liner Key-hole slots in clamping collar allow clamping of liner without removing the bolts 2" IPS strainer barrel with 4" diameter strainer plate allows adjustment to desired finish level