Ply Gem 16-1/2" x 15-1/2" Clay Vinyl Mounting Blocks Windsor The mineral fiber panels

The mineral fiber panels

hem edges or custom trim

12-gauge black powder-coated finish steel for corrosion resistance

Works with cast iron and stainless grids

Comes with brackets

Ply Gem 16-1/2" x 15-1/2" Clay Vinyl Mounting Blocks Windsor The mineral fiber panelsThe meter base J Block is designed to mount large accessories such as hose racks and electrical meter bases. Manufactured with ultraviolet stabilized color, minimizing the effects of exposure to the elements. Compatible with all siding profiles. Rich textured appearance. Surface dimensions: 16 1 2" x 15 1 2". Flange dimensions: 18 1 2" x 16 3 4". J Channel internal dimension: 1 1 4". Limited lifetime warranty.