$2.19
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 3/4" MHT x 3/4" FHT to insert a shutoff at the beginning of a lateral 3/4" hose thread.