Lee’s 5/8″ ID Aquarium Tubing (50 ft) – A 50-foot coil of large diameter tubing suitable for pond pumps, canister filters, or water-change systems. The 5/8 inch inner diameter allows high flow rates, and the clear, food-grade vinyl is sturdy yet pliable. It’s ideal for custom plumbing needs – like return lines or drain hoses – and can be cut to length. This tubing is non-toxic and designed to handle the demands of continuous aquarium or pond use.