Cal Spas Hot Tubs, Spas and Swim Spas for Sale. Cal Spas Escape E864B Spas. Your dream hot tub becomes a reality with the Cal Spas Escape E864B. This spacious 8-foot spa combines the best in hydrotherapy, luxurious amenities and powerful water clarity featured all in one hot tub. Sit back and relax as 64 powerful spa jets melt the stresses of the day away. Visit us at www.calspas.com.