These hozelock micro jets produce fine jet spray they are made from uv stable plastic the micro jets are suitable for use at end of line with the 2789 high spike or can be inserted directly into 13mm supply pipe area of coverage can be reduced by combining with a control valve the jets can be dismantled for cleaning they are ideal for borders greenhouses and vegetable gardens max water flow 55 litres per hour max radius of water coverage 200cm pack of 6