Lynn ManufacturingReplacement Enviro & VistaFlame Baffle Board, 1200, 50-1146, setoff 2

Does this fit regency wood inserts stoves

what side is the ship lap joint on? The picture seems to have the length wrong

where does this go? Is it behind the fake brick steel panel in the center

I need split baffle for Enviro Kodiak 1200 serial# 205334. Will this work for my fireplace in nsert stove?