Features: 1PERMANENT MAGNET MOTOR: Adopts copper motor, which will not cause vibration and step loss when the load suddenly changes. Wrapped in copper wire to make it supercharged and strong for a long time. Core motor determines the effect and quality of the pump 2STABLE OPERATION: The optimized design of the product has the characteristics of low noise, small vibration, stable operation, convenient installation, durability, stable and fast water flow. Sturdy consolidate base with humanized design, easy to install 3DOUBLE PROTECTION: With self priming function, the pump is equipped with automatic pressure switch, overheating protection function, medium temperature 60 degrees, low noise, acid resistant, alkali resistant, corrosion resistant 4FOR RV: This diaphragm pump is designed for equipment that needs to be pressurized, such as yachts and RVs. Possess stable flow, stable and smooth work, etc. 5WIDE APPLICATION: Can be widely used in sewage sampling, large flow liquid transfer, low noise continuous work occasion large and extra large aquariums, small swimming pools, reservoir water replenishment, fountains and other purposes. Fresh water, sea water quality analysis, sewage treatment, sampling, water purification, ship bilge sewage discharge, aquaculture and ornamental, water circulation transfer, agricultural spraying, irrigation, ground, carpet cleaning, etc. applicable industries include ships, fish farming, industry, agriculture, housekeeping and other industries Package included: 1 x Pump 1 x Filter 4 x Connector