Pressure compensating dripper with a turbulent flow path Sealed to maintain a constant and uniform drip rate of 4 LPH even when used on sloping ground Made from tough UV stable plastic. Blockages minimised with built in filter. Spike allows easy and precise positioning for accurately targeting the root zone of plants Install end of line with 4mm Micro Tube Perfect for hanging baskets, troughs, growbags borders, greenhouses, cloches, vegetable gardens