Use the GARDENA 4.6 mm (3/16") T-joint for spray nozzles and end-of-line drip heads to stably and reliably fix spray nozzles and end-of-line drip heads in the 4.6 mm supply pipe. The five T-fittings included it has two inlet and two outlet openings for the supply pipe and can be screwed in firmly to allow the end-of-line dripper to be converted into a series dripper.It is also possible to attach an extension pipe to the installation of a spray nozzle, for example, to customize the system for your seedlings for optimal irrigation.Smart connection technology ensures quick installation and excellent adaptability.The MDS components can be connected together, expanded or disconnected for a new re-use of the entire Micro-Drip-System with the separately purchased Master Unit 1000 (Art. No. 13333-20) or Master Unit 2000 (article number: 13310-20), the Micro-Drip-System garden irrigation system is reliably waterproof with uniform water pressure. GARDENA's T-joint for 4.6 mm (3/16") spray nozzles and end-of-line drip heads impresses with its high quality made in Europe. Micro-Drip-System. Takes care of plants and every precious drop. Light, precise, water and time saving irrigation.