At 7′ x 7′ the Wisteria is the largest in the Garden Spas lineup. This is perhaps the best value 7 foot hot tub on the market. The full body massage lounge seat, dual captains chairs, and cool-down seat each provide a different therapy experience. This hot tub, as with all Garden Spas, is 110v or 220v convertible allowing for greater installation flexibility. This is a top-selling model.