Lid Measurements 15 ½” x 22 ½” (ONLY fits 31121-C2)
Opaque White Color You can not see through the lid, smooth texture on lid.
Hinge Style "C" or Curl
Middle Bar Included (arm not included)
*Ventline escape hatches sizes and hinge assembly are not the same as Heng's or Elixir/Jensen brand.