General description Smooth interior walls result in lower pressure loss and higher volume. These PVC pipe fittings are healthy and non-toxic, making them great for drinking water pipe systems. Technical specifications Diameter: 20mm Angle: 90 degrees Package Contents: 50 x Pipe Connectors Measurement allowed error: +/- 1-3cm Other information Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product.