These peripheral water pumps are efficient, durable, and completely waterproof.Elestar Peripheral pump Vortex micro water pump, all-copper motor, strong power, and super quiet.Elestar vortex peripheral pumps are qualified in domestic fittings to increase the distribution by small autoclave tanks or hydrosphere units. For the correct function of the pump, use clean water or non-aggressive liquid only, without sand or other solid impurities.China manufacturers suppliers factory price for sales!