Part Number: DVWB1BL-DVRB1CBL
eFireplaceStore Item Number: EMP-DVWB1BL-DVRB1CBL
WARNING: Cancer and Reproductive Harm. For more information go to www.P65Warnings.ca.gov.
So there is no option to use that unit without the sealed glass. Any open front gas fireplaces are either natural vent (class A or B-vented) or a vent free unit.