Pipetec Press Fitting Coupling Transfer 26x3 mm 3/4 Inch Internal Thread TH Contour Composite Pipe, Certified According to German DVGW Profile : Amazon.de: DIY & Tools
Inexpensive SANHA gas press fitting, socket Cu 15mm copper, No.10270 , € 7,35
POWERPRESS Fittings PWR7481804-pk1 Tee, Reducing Outlet/Branch, Gas, 411RG, FFF 2" x 3/4", Pwr7481804: Amazon.com: Industrial & Scientific