Jenis Fittings HDPE PP Compression Fittings : 20mm ~ 110mm Socket Fusion Fittings : 20mm ~ 110mm Butt Fusion Fittings ( Injection Molding ) : 63mm ~ 630mm Butt Fusion Fittings ( Segmented ) : 63mm ~ 630mm Electro Fusion Fittings : 20mm ~ 630mm