Adjustable 0-40 lph in line dripper. Made from tough UV stable plastic. Use In – Line (ie cut the hose and insert). Twist the cap to adjust the flow from zero to 40 LPH. Max flow based on 1.5 bar pressure. Can be dismantled for cleaning.Good for hanging baskets, troughs, round containers, borders, greenhouses, cloches, vegetable gardens. Use at the base of small plants, secure with a stake.