1/4'' x 1000' Black Vinyl Tubing cloning-&-seed-starting The improved spectral response increases

The improved spectral response increases the accuracy of LED measurements

polyetherimide (PEI) body

Packed in biodegradable bags

Product Highlights Fits High Pressure Sodium ballast

1/4'' x 1000' Black Vinyl Tubing cloning-&-seed-starting The improved spectral response increasesBlack Vinyl Tubing (ID) 1 4" (OD) 3 8" 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 choose between the 100% opaque black vinyl, which prevents algae growth, or the clear vinyl that allow for complete visibility. If you are using accessories such as basket drippers and air stones use (ID) 3 16" instead