You can utilize this tub both indoors or outdoor, so it’s lots versatile, because the tub coating can withstand harsh weather. And the chiller is Tremendous quiet, so you don’t have to worry about the tub sounds trying to keep you awake. The XL can hold up to 116 gallons http://localsdaily.com/classified/listingdisplay.aspx?lid=31587#.Y-CiuXa9thE