THCity Black Flexible Vinyl Tubing PVC Hydroponic Irrigation - 3/4" Inside Diameter - 25' Go to amazon.com Related posts The 12 best irrigation tubing 3/4 for 2022 FeatureFood gradeMade with FDA approved materialsThick walledDurableBends Easily Description?Food grade. Made with FDA approved materials. Thick walled and very durable yet bends easily. Smooth inside & out for best flow. Excellent quality.