Place of Origin : Shenzhen,China
Description Made of piezoelectric ceramic plate,Website:http://www.heyipump.net,super compact and light and precise flow control, applicable for coral nutrient doser and protein skimmer 4102 inlet is in the same herizontal line of outlet whereas model 4103, vertical. Product Info. Model      4102/4103 Vol/Freq. <170v, 50HZ Dimensions Dia 54*14.2 Weight      27.5g Noise      33db Power     1.5 watt Pressure >25 Kpa