Enhance your irrigation system with Netafim Black Polyethylene Tubing 16mm. This durable 500ft roll features a 16mm OD and 13mm ID for efficient watering. https://www.hydroponicstown.com/19951-000061-netafim-black-polyethylene-tubing-16mm-16mm-od-x-13mm-id-500ft-roll-special-order-item