Versatile whirlpool features variable-height (6"–21" [15–53cm] from floor) heavy-gauge stainless steel stand on locking casters. Reversible turbine pump can be lowered into a small depression in the tank bottom for nearly total water removal. Tank holds up to 15 gallons (57L). The inside of the ABS plastic tank is 20" (51cm) wide at the front and 11" (28cm) at the rear. Unit is 30" (76cm) long and varies from 11½" (29cm) deep at back to 14½" (37cm) at front. Tank lip is approximately 1" (2.5cm) wide. 115 VAC, 60 Hz. UL listed.