2 gal poly fount and base. Water capacity of 2 gal. Bird capacity of 100 chickens. Overall size of 11 in Dia x 1-3/8 in D x 16 in H.2 gal poly fount and base. Water capacity of 2 gal. Bird capacity of 100 chickens. Overall size of 11 in Dia x 1-3/8 in D x 16 in H.