$1.90
Irritec Perma-Loc hose fittings are a reliable and versatile way to connect to poly tubing. Based on a spin-lock design they provide easy installation, a reliable grip, and can be removed and reused if needed.
Use the 1/2" (18 mm) Perma-Loc x 400 Barb with Valve as a takeoff from poly hose or oval hose that may need to be individually shut off. Tubing ID can range from .590" to .630".