REFRIGERATING PIPING BUILT IN STAINLESS STEEL POLISHED (304-316) THICKNESS PIPES 1,2 mm AND DIAMETER 22 (ON REQUIRES 25mm.) PIPES OF CONNECTIONS LONG 200mm ¾”FEMALE. ON REQUIRED WE CAN CHANGE DIAMETER, LONG, AN SO ON. WORKING PRESSURE 4 BAR TESTING 8 BAR.