Napoleon Accent Series B46NTR. Up to 22,000 BTU’s. Dimensions, 34 5/8″h x 46″w x 18 5/16d. Natural Gas or Propane. Direct Vent Gas Fireplace. 46 is now the largest single view fireplace in the Ascent. Series and is offered as a 4″ x 7″ top and rear vent model. Offering…