<p> <strong> cleaning sponges - 100 pieces, for NW 4mm </strong> </p> <p> &nbsp; </p> <p> - sponge rubber balls for pipe cleaning beertenders </p> <p> - 100 pieces </p> <p> - for the following cable diameters: 4mm </p> <p> - <strong> mechanical cleaning (without chemicals) </strong> </p> <p> - diameter of the spheres &nbsp; &nbsp; 5.6 mm <br> with cleaning sponges achieve excellent cleaning results without the use of chemical <br> They are driven by water pressure through the beer line and loosen mucus so reliable the beer. '! / p>