Before I regale you with all the reasons why you need the Deep Water Bath, I must first explain to you what exactly you are looking at, The Deep Water Bath is an overflow control device; all bathtubs in America have an overflow drain, The Deep Water fits over the drain, and allows you to add 60 more water in your tub No more running the water to keep your tub warm, Dont worry, the Deep Water has a built in hole so you wont flood your bathroom, Now that you know what the Deep Water is, I am sure you realize you cannot bathe without one; see you in The Zen, SKU: LGHP015