... .Cylinder quantity:3, 4, 6, 9 3.For CNG station High Pressure CNG Cascade Container for Gas Station: Specification: 1x3, 2x2, 2x3, 3x3Working pressure: 25MPaGeometric ... , 6640x1335x2158, 7350x668x2158,7350x1335x1494, 7350x1335x2158, 4900x2000x2158 High Pressure CNG Cascade Container for Gas Station