Shield repair kit to replace the pump screen and the special nature of the difficulties is to ensure the quality of repair shielding critical pump.

So we're fighting two things, if you make it too fine a screen you're not gonna get water to the pump, if you make it too loose a screen you'll get debris into the core. Both are not good.

Rubber ball cleaning device of condenser is composed of second filter net, ball screen, ball collector, rubber feeding pump, distributor, valve, and electric control box.