Underhill VL-6 VersaLid 6-Inch to 7-Inch Universal Sprinkler Valve Box Lid
Universal replacement valve lid for residential and commercial applications. Features and benefits include: Fits all 6-inch to 7-inch round valve boxes. Constructed of recycled, environmentally SUPERFLEXON.  10 year warranty.  Stepped locking system.  T-Top design minimizes dirt in box.  Only one replacement lid required for all replacement requests.  Reduces inventory/ordering.  Easily interchangeable and easy to install-just turn clockwise and pull.  Saves time and money.  Greater top load strength than lids made of structural foam.  More UV and wear resistant than structural foam