DreamLine SlimLine 36 in. D x 36 in. W x 2 3/4 in. H Center Drain Single Threshold Shower Base in White Model Size: 36 in. D x 36 in. W x 2 3/4 in. H; Base Type: Single Threshold (3-Wall Alcove); Color: White Drain Location: Center (Centered on width only; See technical drawing for exact location); cUPC certified Installation: Direct to studs (Unfinished walls: Prior to backerboard, cement board, etc.); Professional installation is required Durable construction eliminates any flexing of the base and allows for quick installation; Limited Lifetime Manufacturer Warranty Drain opening fits standard 2 in. compression fitted drains (Drain not included)