The American Standard 28 in x 48 in gelcoat walk-in bath provides a similar bathing experience to larger models but fits in smaller spaces and uses less water. The included tub extender allows this tub to retrofit in the same space as a standard bathtub. The full sized, v-shaped door with a low door threshold allows ease of entry and exit. Fully equipped, the 109 premium series offers all the latest in safety and comfort features with the most advanced therapeutic options and backed by a lifetime warranty on the door seal, a 10 years warranty on the tub shell and a five years warranty on all other components.