$2.35
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 Perma-Loc 20 mm Swivel Elbow Adapter to connect a riser to a 20 mm (.720 x .820) dripline. Tubing ID can range from .685" to .740".