The Mauicast 5 ft. Soaking Tub helps you soak away the day's cares with its integral 35�� lumbar support and composite backing that offers great heat retention to help keep your water warmer longer. The Mauicast is over 2 in. deeper than other steel tub in the market. The porcelain finish is non porous and easy to clean and the built-in leveling support pad to help make installation easy. Mauicast offers the qualities of cast iron, without the cost and weight.