Maintenance: Seal replacement typically 500,000 - 1 million cycles
Size: Bare Bones Pump -- 1.7" (4.5 cm) wide x 7.5" (10cm) high x 4.5" (11.3 cm) deep.
Size: Complete Pump 1.7" (4.5 cm) wide x 7.5" (10cm) high x 7.0" (17.5 cm) deep,
weight 2.0 lbs (0.9 kg)

Electrical (only for Complete Pump and Bench Top Diluter)
RS-232 Serial Port, Baud rate 57,600 12 - 38 Volts @ 2.0 Amps,
60-50 Hz. 110-240 VAC with power supply included