<ul><li>Openwork decorative Grilles provide secure covering for heating vent penings</li><li>Made of cast iron with a Matte Black finish</li><li>Measures 12-in x 14-in, with mounting holes in each corner of the outer flange</li><li>For new construction or older home retro-fitting, requires 10-in x12-in opening( see diagram )</li><li>Also available as a Register, with lovered assembly to open and close the vent</li></ul><br><br>Many homes require open heating ducts to transfer and moderate airflow. For older homes missing the cast iron Grilles and Registers or new construction with a traditional style, these pieces are made of the same materials as the originals. Choose the open Grille, for a constant flow, or the Register, which is backed with louvers that can be opened and closed. Both are made from cast iron and finished in Matte Black.

Minuteman International Cast Iron Floor Grate Grille, Black