Napoleon XI3BK Blower Kit for IR3G & XIR3 Gas Fireplaces. Genuine Napoleon X13BK fan blower kit for Infared IR3G & XIR3 vented gas fireplaces. Benefits of Adding a Fireplace Blower. Improves fireplace efficiency by as much as 80%. Helps reduce costly energy bills. Heats large rooms effectively. Installs quickly and easily. Mounts easily to stove, includes hardware. 30 day hassle free return. L x W x H. 10 x 3.25 x 3.25 (blower only). 7.25″ x 1.5″. Blower, Motor & Bearing. Housing, mounted to bottom of stove. Rheostat Variable Speed Controller. Speed controlled through remote control. Infared IR3 & XIR3 Gas Fireplaces. See owner’s manual for installation instructions. Listing and template services provided by inkFrog.