30mm sponge ball for hose cleaning
30 mm sponge ball for cleaning mortar or plaster spray hoses.
-30 mm sponge ball for spray machine hoses, for cleaning the mortar or plaster that is inside.
-Remove the paste from the hose until it is left with water.
-Place the ball inside the hose.
-Remove the nozzle and the air tube from the spray gun.
-Plug the water into the hose and wait until the ball comes out.
-Clean it with water when it has come out.