Analog or digital timers on all units. Analog model with timer and adjustable thermostatically controlled heater. Digital model with timer, heat, power control and degas. All timers have continuous-operation capabilities. Cover included with all units. All Stainless steel enclosures resist damage from chemical spills and will not crack. Adjustable thermostatically controlled heaters. Drains with flow control valve.

1/2 Gallon: Inside Tank: 6" x 5.25" x 4"
                    Tank Capacity: .5 Litres

3/4 Gallon: Inside Tank: 9.5" x 5.25" x 4"
                    Tank Capacity: 2.8 Litres