5/16″ Black Double Forks

This fitting has hose barbs on both ends to install in the mainline tubing like a coupling with 4 entrance ports for 5/16″
plastic lateral line tubing. The entrances are at a Y angle to improve flow. Also known as 4 way mainline tees. Hose clamps should be used on the plastic mainline, over the barbs to make certain the fitting seals and does not pull apart.