Standard profile 2.8-in high rectangular base pan (40-in x 36-in) with hidden side drain Direct-to-stud installation with attachable nailing flanges delivers the flexibility of reversible installation for alcove or corner showers Shallow single threshold for easy entry and exit Drain cover ensures a sleek, clean appearance, with an easy-to-remove design making cleaning a breeze Compatible with standard 2-in compression fitted drain (drain not included)