Plastic Irrigation Jumbo Valve Box 1)Measurement:bottom length 695mm, width 520mm; top length 550mm, width 385mm; height 310mm We produce irrigation valve box, with size of 6", 10", 12", 14" for irrigation use. It can protect the irrigation equipment from damage. For quick and easy installation, these boxes have pipe cutouts. Plastic Irrigation Jumbo Valve Box