1Ultra quiet designed and duarable copper wire motor does not produce much noise giving you quiet environment 2Equipped with two water nozzles (13cm16cm) and one boost oxygen nozzle along with boost hose the flow rate can be up 134 to 480g - PH(500-1800LH) 3There are four strong ...1Ultra quiet designed and duarable copper wire motor does not produce much noise giving you quiet environment 2Equipped with two water nozzles (13cm16cm) and one boost oxygen nozzle along with boost hose the flow rate can be up 134 to 480g - PH(500-1800LH) 3There are four strong suction cup at the bottom of the small pump that fits well on a horizontal or vertical glass surface to keep the pump running smoothly The power cord is 11 meter which is long enough for installation depending on your needs 4 in 1 multifunctional aquarium filter 1 Internal aquarium filter: The filter is supplied with 2 sponges It absorbs the waste and filters the water in the aquarium 2 Wave Pump: Accelerate the circulation of waste and water simulate a virtual natural environment for fish 3 Increase Oxygen: A valve air hose allows you to control the flow of air whatever you need 4Water pump: remove the sponge part and connect an external filter cycle in the aquarium water and keep the water clean Model: 6Watt 134g - PH (500L h): 6W Maximum flow: 134g - PH (500L h) Length of power line: 11m sponge : 2 pieces 15Watt 267g - PH (1000L h): 15W Maximum flow rate: 267g - PH (1000LH) Length of power line: 11m sponge : 2 pieces 25Watt 400g - PH (1500LH): 25W Max flow rate: 400g - PH (1500LH) Power line length: 11m sponge : 2 pieces 30Watt 480g - PH (1800LH): 30W Maximum flow: 480g - PH (1800LH) Power line length: 11m sponge : 2 pieces