Amazon.com: 28PCS 1/2 in Drip Irrigation Fittings Kit, Irrigation Tubing Parts, Barbed Connector Include 10 Couplings, 6 Tees, 6 Elbows, 6 End Caps, Drip Line Connectors for Garden Drip or Sprinkler System :
Solder Type Connectors Female 4340G : Amazon.de: DIY & Tools
Anderson Metals 38119 Red Brass Pipe Fitting, Reducing Coupling, 3/4" x 1/2" Female Pipe: Amazon.com: Tools & Home Improvement
Amazon.com: 28PCS 1/2 in Drip Irrigation Fittings Kit, Irrigation Tubing Parts, Barbed Connector Include 10 Couplings, 6 Tees, 6 Elbows, 6 End Caps, Drip Line Connectors for Garden Drip or Sprinkler System :
Viega Kupfer Lötfitting Bogen 5060 180 Grad innen / innen in den Größen 10 bis 28mm