Branson now offers you seven ways to get the full efficient power of ultrasonic cleaning at an affordable price. It\"s the Bransonic line of low cost, high quality ultrasonic cleaners, ranging from one quart to eight gallons. Dependable Solid State Circuitry is used for a long trouble-free life (no fans or other moving parts). The Generator and Heater have separate Controls and the Metal/Ceramic Transducers assure both Durability and Superior Power. Three Types of Units are available: MT Mechanical Timer, MTH Mechanical Timer with Heat & DTH Digital Timer with Heat.