Hozelock 4 LPH In-line Pressure Compensating Dripper (Contains 5) Advanced pressure compensating 4 LPH in line dripper. Made from tough UV stable plastic. Use In - Line (ie cut the hose and insert) Always gives 4lph regardless of position in system. Flow based on 1.5 bar pressure. Built in filter, Automatically self cleans, Automatically shuts off when pressure below 1 bar. Good for hanging baskets, troughs, growbags borders, greenhouses, cloches, vegetable gardens Use at the base of small plants, secure with a stake. Pack of 5. Due to geographical locations we are unable to deliver to: Isle of Wight, Isle of Man and Ireland.