Polylok 12" Grate Cover - Fits Polylok 4-Hole Distribution Boxes

This 12'' Polylok GRATE Lid model PL-12GC fits the 12'' diameter Polylok risers and 4-Hole Distribution Boxes. The Polylok Riser Lids are made of HDPE with the highest UV protection on the market today. These covers can withstand normal residential and light commerical traffic including up to a riding lawn mower or small garden tractor.