John Guest PI301612S - 1/2" O/D x 3/8" O/D Tube Branch Reducing Tee

The John Guest PI301612S is a fitting known as a "branch reducing tee." It is designed to connect three tubes of different sizes at a T-junction. The larger end has an outside diameter (O/D) of 1/2 inch, and the two smaller ends have an O/D of 3/8 inch.

This fitting is part of John Guest's push-fit fitting system, which allows for easy installation without the need for tools or additional components. The fitting uses a collet system that grips the tube securely without damaging it, creating a leak-proof seal.

Overall, the John Guest PI301612S is a durable and reliable fitting that is commonly used in a variety of plumbing and water filtration applications.