Superior Fireplaces

VRT3500 Series Universal Vent Free Firebox Homeowner's Care and Operation Manual.  Goes to Models: VRT3536WS, VRT3536WH, VRT3542WS, VRT3542WH Click to Download Manual

4.5/7.5" Direct Secure Vent System List goes to IHP gas burning fireplaces. List of Venting  

8" Direct Vent Lock System List goes to IHP gas burning fireplaces. List of Venting  

6" Direct Vent Lock System List goes to IHP gas burning fireplaces. List of Venting