Rain Bird CNV2XBIRD Drip Irrigation Conversion Kit, 1/2" Riser to 8 Port Drip Manifold with 8 Emitters and 1/4" Tubing 8-port manifold with drop-in emitters allow customizing flow to each tubing run Built-in filter traps sediment and helps keep emitters flowing freely Recommended maximum length of 1/4" tubing runs: 5 feet Easy to install, no tools needed Greatly reduces weed growth by watering only where you want and need it Each kit contains: (8) spot watering stakes with bug caps, (2) 0.5 GPH, (4) 1.0 GPH, (2) 2.0 GPH drip emitters, and 50 of 1/4" distribution tubing