Gelcoat Premium Series Walk-In Bathtub with Whirlpool Massage System. The Premium Series Walk-In Tub with Whirlpool Massage System from American Standard combines the luxury of a massage tub with safety features that bring peace of mind to your daily bathing routine. Our luxurious whirlpool tub system features 13 powerful jets that provide the ultimate in comfort and relaxation. The full sized door, grab bar, and textured tub floor makes entering and exiting the tub safer than ever. Quick Drain requires no additional plumbing and once activated rapidly pumps the water out from within the tub in less than two minutes. Constructed of durable, hi-gloss Gelcoat with easy-touch pushbutton controls.