3/16'' x 1000' Black Vinyl TubingAre you looking for piping for your garden or farm? 1000 ft long black vinyl tubing will help you with your farming and gardening chores. Vinyl black tubing also stops the growth of algae. The inner dimension of this black tubing is 3 16 inch and the outer dimension is inch. You can easily carry this tubing anywhere as it is lightweight. Prevents Algae Growth: You will never face a problem of algae growth with black vinyl tubing. 3 16 Inner Dimension: