Hose quick couplings are suitable for all garden hoses, watering devices, nozzles, sprinklers, etc. Fits and compatibility - Suitable size: DN16 PE hose (pipe), 4/7 mm hoses Applications - Applications: garden irrigation systems, irrigation setups, water piping Specifications (three options) - Type 1: 16 mm pipe to 4/7 mm hose interface locked 4 way plug - Type 2: 16 mm pipe to 4/7 mm hose interface locked stream bed 3 way plug - Type 3: 16 mm pipe to 6 mm flat interface locked 3 way connector Key benefits and features - Function: provides quick, secure, locking connections between main pipes and hoses - Compatibility: designed for DN16 PE hose (pipe) and 4/7 mm or 6 mm tubing - Size and performance: standard 16 mm pipe interface with locking 4 way or 3 way options for reliable flow - Material: PE compatible fittings for garden irrigation use - Reliability: locking interfaces reduce leaks and accidental disconnections 2-3 practical use scenarios - Scenario 1: Connect a 16 mm irrigation main line to a 4/7 mm drip line using Type 1 or Type 2 for a micro-irrigation setup - Scenario 2: Replace or retrofit an existing 16 mm line to feed a smaller 6 mm tubing network via Type 3 for compact watering zones - Scenario 3: Quickly switch between hoses and sprinklers in a garden watering layout with secure, leak-free connections