Marquis by Kingsman Log Grate for MCVP42 and MCVST42 Fireplace M42LGLog Grate Marquis by Kingsman for MCVP42 and MCVST42 Fireplace M42LG The Kingsman Log Grate, designed to work with the M42LOG4 log assemblies, is an excellent accessory for adding realism to your MCVP42 or MCVST42 Series Fireplace. With gas fireplaces, log grates are no longer necessary as the logs do not need to be contained in one place, but they do add to the aesthetic of the traditional fireplace. Note: Not for Use with Propane Appliance Features