Maax Hot Tub for Sale Maax model 481 hot tub for sale. In great working order. 450 gallon. Needs 240 volt,60 amp service. Seating capacity of 6. Includes cover and cover lifter. Dimensions are 92Lx92Wx38H. See other specs in photos. Come and see it. Still working on our deck. Reason were selling it is we are downsizing tub to put in our garage. Tired of shoveling the deck in the winter.