Features: Exclusive moisture tight seals. Compact，efficient long life motors. Easy clean snap lock strainers. Complete submersibility. Slient and vibrationless operation. Lgnition protection. Anti-airlock protection. No burn-out when run dry. Stainless steel shafts. Rust and corrosion protection. Applications: 1. Can be widely used in sewage sampling, large flow rate of liquid transfer and low noise for the workplace. 2.Large and super large aquarium, small swimming pool, reservoir filling water, fountains, and other purposes. 3.Fresh water, sea water quality analysis sampling, water purification, sewage treatment, sewage, round bilge sewage, aquaculture, water transfer, agricultural spraying, irrigation, floor, carpet cleaning, etc. 4.Applicable industry: environmental protection, medicine, shipbuilding, fisheries aquaculture, such as industry, agriculture, domestic industry.