Single Wall Tank- 20 Gallon. Removable lid; spray nozzle; dip tube: ¾ in. D x 26 in. L. (4) Tank outlets: (4) 1-½ in. tri- clamp bottom, (1) 1 in. side top, (1) 3 in. top. Tank has center 3 in. conection with inside dip pipe and outside reduced to 1 in. tri-clamp. Overall dimensions: 15 in. dia x 25-1/2 in. deep.