RYOBI Misting Kits and Accessories are the easiest and most efficient way to provide the cool, comfortable surroundings you want. The RYOBI 3/8 in. Brass Slip Lock End Plug conveniently stops water flow at the end of a misting system line when inserted into any slip lock fitting. This Slip Lock End Plug can be assembled easily to most 3/8 in. misting systems. The RYOBI 3/8 in. Brass Slip Lock End Plug is constructed of high-quality brass for longevity and durability. This item along with all other Ryobi Misting Kits and Accessories is designed for outdoor use with cold water only.