The RYOBI 3/8 in. x 2 ft. Flexible Tubing is ideal for all 3/8 in. misting systems running 165psi or less. The tubing lines and can be cut to exact lengths for a creating your perfect customized misting system or repairing an existing one. The nylon tubing is UV treated for added strength and durability. This item along with all other Ryobi Misting Kits and Accessories is designed for outdoor use with cold water only.