Many households in the United States benefit from having walkin bathtubs in the bathrooms. Walk in bathtubs, or walk in baths, are great for disabled persons and people with limited mobility, as it allows said people to bathe comfortably and independently. Plus, walk in tubs allow people to save money on energy bills, as they make bathing more economical. A walk in bath tub has a watertight door that forms a hydrostatic seal when the door is closed and latched. As the tub fills up, the weight of water inside the tub further compresses the door seal, making it entirely…