The square speaker grille for the 8 inch speaker (or Unihorn Model LUH-15T) shall be Lowell Model SG-8. It shall be formed with 22-gauge steel, have beveled edges and a square punched center. The grille shall be 11.438 in. square with a mounting projection of 0.125”. It shall include a chipboard gasket and 8-32 x 3/4 in. welded studs with hex nuts to mount the specified 8 in. speaker. Grille shall also have four 0.218 in. holes on 9.062” centers to mount specified recessed or surface backbox. Grille shall be finished in white powder epoxy and shall include white screws for backbox installation.