Allstar Red Plastic Fitting Plug Kit for -3AN to -16AN features a fitting plug kit. It fits sizes -3an through -16an and is made from high-quality red plastic. The plug kit is a must for keeping debris out of lines and hoses. It is ideal for keeping internal components of dry sump pumps, fuel pumps, pressure regulators, etc. clean during storage. It is sold as one set of 5 pieces of each size..