This fish aquarium tank pump can be used for fresh and salt water tanks circulation and drainage It has a high-precision aluminum-ceramic axle and can be submersible in any in-ground fish tanks, ponds and small fountains It has a strong suction base for stable inline circulation for above-ground aquariums and aquaculture tanks Its strong ABS body is anti-UV, so you can also use it for outdoors for water transfer of waterfalls, gardens and fountains Has a maximum flow rate of 1750 l/h and maximum jet stream of 2.3 meters