Grow1 Food Grade Clear Vinyl Tubing I.D. 3/16'' x 1000' grow-light-bulbs A high-quality tool kit is

A high-quality tool kit is provided with the purchase of the CenturionPro® Tabletop Pro

660nm (red) and 450nm (blue) were the most efficient LED packages

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Grow1 Food Grade Clear Vinyl Tubing I.D. 3/16'' x 1000' grow-light-bulbs A high-quality tool kit isClear Vinyl Tubing (ID) 3 16" (OD) 1 4" 1000 ft Made from strong and durable vinyl material, these tubes are available in a variety of sizes and lengths, great for use with air or water. The tube walls are thick and flexible, and you may also choose between the 100% opaque black vinyl, which prevents algae growth, or the clear vinyl that allow for complete visibility. Inner Dimensions: 3 16'' Outer Dimensions: 1 4''