The coupling is used to connect one section of 5/8 in. supply tubing to another section of 1/2 in. supply tubing or dripline. With the increaser/reducer coupler, simply insert the tubing end inside the color coded 5/8 in. (green) X 1/2 in. (black) compression ring, where an internal barb compresses into the tube to hold it in place. Made for durability, the compression fitting is made of acrylonitrile butadiene styrene (ABS) treated with UV inhibitors to prevent cracking.

• Increase or reduce water flow in the line by connecting 5/8 in. and 1/2 in. supply tubing or dripline together; Works in a variety of areas, from small to large, flat or sloped, to join distribution tubing in your drip irrigation system
• Fits 5/8 in. tubing with 0.700 in. OD; Fits 1/2 in. tubing with 0.620 in. OD
• Rock the end of tubing back and forth while pushing it into the compression fitting, where an internal barb will compress the tube to hold it in place; for rigid tubing, consider soaking the tube end in hot water or leaving out in the sun; Creates a water
• Compression ring is color-coded for easy identification: blue fits 0.710 in. tubing with 0.710 in. OD; black fits 5/8 in. tubing with 0.700 in. OD; green fits 1/2 in. tubing with 0.620 in. OD; Handles water pressures up to 50 psi
• Comes with one 5/8 in. X 1/2 in. Increaser/Reducer Coupling; Raindrip stands by their product and gives a 1-year, 100% satisfaction guarantee. If your product breaks, Raindrip will send you a new one for free, just pay shipping and handling