The Barb to 1/2" NPT Adapter is a reliable connection fitting designed for use in micro-irrigation systems. Made from high-quality, glass-filled polypropylene, this adapter ensures durability and long-lasting performance under outdoor conditions. Its barb-to-1/2" NPT (National Pipe Thread) design allows for secure, water-tight connections between tubing and other fittings, making it ideal for drip irrigation setups. The 17mm size is compatible with a range of tubing and dripline with an inside diameter between 0.520" and 0.620", while its easy push-on installation with locking threads guarantees a tight, reliable fit.