The Pet Lodge Water Tower Deluxe automatically dispenses a continuous supply of water into a sturdy, one-piece plastic base. Translucent plastic tower lets you easily see the water level. Can be used indoors or out down to 33 degrees F. Easy-to-remove bottle makes refilling simple.3 Quart Measures 10.875 inch long by 6.125 inch wide by 10.75 inch high, holds 3 quarts.8 QuartMeasures 14.5 inch long by 8.125 inch wide by 14.5 inch high, holds 8 quarts (2 gallons).16 QuartMeasures 18.5 inch long by 10.125 inch wide by 17.75 inch high, holds 16 quarts (4 gallons).