One towel is placed on the counter and the other covers the parts to prevent dust or insect contamination. You can use an air dry bag or two clean dish towels. Looking for Ameda breast pump accessories? We have all of the Ameda replacement parts, and other Ameda accessories for your breast pump. In addition to maintaining pump parts by clearing, drying is also a factor. These issues can often be solved with maintaining your breast pump with genuine replacement parts.