The BH® 5LIDP® 20" HDPE plastic locking meter box lid is a durable, corrosion-resistant solution crafted from high-density polyethylene (HDPE) for long-lasting performance. This versatile stock item is designed to fit BH® 55™, 548®, and 536™ galvanized meter boxes, as well as BH® P55P™, P548P™, P536P™, and P55PD18™ series plastic meter boxes with ductile iron rings. It is also compatible with the BH-58™ meter vault access plate assembly. While not recommended for traffic use,