Our Lightweight fabricated MV-20 meter vault saves time and money as a perfect housing for a two inch meter since all valving can be contained within the box. In most situations one person can make the complete installation in a matter of hours.The box is made of riveted two piece .064 galvanized copper-steel. The lid is made of 3/16" diamond floor plate steel-reinforced with a 10" x 10" reader door. Eliminates bulky built in-place concrete vaults and cast iron covers.