Application: heat pump systems, angle coupling 90 Gr 2 pcs. for PE pipe 50 x 4.6 mm for diverting PE connecting pipe for flexoTHERM with aroCOLLECTAngle coupling 90 Gr 2 pcs. for PE pipe 50 x 4.6 mm for diverting PE connecting pipe for flexoTHERM with aroCOLLECT