This modern curved center drain drop-in bathtub has gentle lines and a large interior space with an ergonomically sloped backrest, making it perfect for any bathroom. The bubble massage air system delivers warm air bubbles to caress your entire body. The air system takes surrounding air, heats it, and infuses it into the bath, relaxing muscles and leaving you feeling refreshed. Customize the experience by adjusting the intensity from a soothing effervescent touch to a more spirited massage.