Wet Spot 2500 Gallon @ 6 GPM of 4 gr. hard water. Softwater Washdown System Uses proven technology common in residential and commercial water softeners, in a portable, manually operated tank, that travels anywhere. 12 year warranty. Wet Spot Plus Model (#WS2500C) - Suitable for boats up to 80' and comes with wheels and a carrying handle underneath. 36" x 10" x 11.5". Weight: 35 lbs. dry. 2500 GPH @