www.floortrendsmag.com/articles/106796-low-profile-linear-drain-by-infinity-drain

Low Profile Linear Drain by Infinity Drain
July 16, 2020
Infinity Drain new Site Sizable Low Profile Linear Drain helps minimize the floor height needed to achieve a curbless entry in showers. In addition to its lower profile, the PVC channel option has been designed with a new “mortar lock” to ensure that it stays positioned firmly in the mortar bed floor.