The Physalia is a self-sufficient ecosystem that generates all the power it needs from the sun and works to reduce water pollution through bio-filtration .

Usually, oil supply system is of oil-filtration function, which could only function in its self-circulation and the filtration of regenerator and oil recharge is beyond its operation scope.

We develop XY-500 style fire resistant filter for hydraulic cleanness and its regeneration, which can filter online and suck oil to its self oil tank for filtration, making filter as a spare tank.