... ,green,blue,orange Detailed Product Descriptionconcrete pump cleaning ball it is for cleaning concrete pump pipe model: ... pump cleaning ball 1.Style:hard/medium sofe/soft 2.Size:1-10inch 3.Material:rubber 4.Brand: ... and parts in china. Our products include steel pipes, rubber hoses, elbows, bends, reducers, couplings, cleaning balls ... Cylinders DN125 5'' Concrete pump clean-out ball,sponge rubber ball