This is a lead free Supply Giant tee with a cast brass construction and C x F x C ends. The connections are 3/4 inch x 3/4 inch x 3/4 inch in diameter for Copper pipe and steel pipe sizes. This fitting rated for a maximum pressure of 125 lb. and meets the ansi B16.4 standard. ⚠ California Proposition 65 Warning: This product is known to the state of California to cause cancer, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.