Neptune 5.17 ft. Right Drain Sit-In Bathtub with Heated Air in WhiteSafest, strongest, and most relaxing tub on the market today. Homeward Bath's walk in and accessible bathtubs are the highest quality tub on the market. With their lifetime warranty, "inward" and "outward" opening waterproof door designs, their structurally superior fiberglass reinforced acrylic surfaced tub shells and state of the art whirlpool or air jet systems, you will see that "all tubs are not created equal." Homeward Bath guarantees quality,