Do you need a bigger submersible water pump for your indoor and outdoor garden fountain or pond? JR-4500 and JR-5000, they're designed as professional fountain water feature pump with filters. These pond fountain pumps support 120V/50Hz and 220-240V/60Hz, except for the plug, you can also find ideal power cord length rang from 1.83 to 10.15 meters, all of them are waterproof, if you need freeze-resistant one, the lowest cord can withstand -35C° (-31F°). With a pre-filter, asynchronous motor and ceramic shaft, your plants can continually enjoy fresh clean water with power-saving benefits. You can use it both in fresh water and salty water. If you need a nozzle kit for the fountain pump, let us know and flexibility makes Barst outstanding for your choice. Have a trial and enjoy your water fun today!