Universal Pipework Kit 63mm (2.5) - RED HOSES. 63mm (2.5) x 90 Degree Alloy Elbow - QTY 2. 63mm (2.5) x 300mm Straight Alloy Pipe - QTY 2. 63mm (2.5) x 45 Degree Alloy Elbow - QTY 2.