The clean, contemporary look of the Groove shower base brings sleek style to your bathroom. Featuring a recessed rear drain, this square base offers a low-threshold design for easy access. Add a removable aluminum or teak cover over the recessed drain for a finished look. Low-threshold design for easy entry and exit. Recessed rear drain. Single threshold for three-wall or alcove installation. Durable acrylic construction. Requires K-9331 Groove aluminum drain cover or K-9335 Groove teak drain cover (sold separately).