100% ball bearing aftermarket Empire. Fits FBB5, FBB4 and other Empire gas fireplace applications. Fits into original mounting bracket and wires to original wiring harness. Quieter than original with no loss of air flow. In fact, our latest generation R7731 improves significantly on the power and air flow of the original. Did we mention it’s far quieter and better built? Includes thermal protection, Class H insulation and impedance protection. 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. 100% ball bearing blower. L x W x H. 12 3/4″ x 4 1/4″ x 3 9/16″ / 9.5″ flange air opening. Blower, Motor & Bearing. Class H (rated to 392°F). Rheostat Variable Speed Controller. Jefferson Deluxe (VFD32, VFD36, VFD42), Jefferson Premium (VFP32, VFP36, VFP42), Jefferson Premium Multi-Sided (VFP36), Lincoln Premium Multi-Sided (VFP36), Loft See-Through (DLCX36), Madison Premium Multi-Sided (VFP36). VFD32, VFD36, VFD42, VFP32, VFP36, VFP42, VFP36, VFP36, DLCX36, VFP36. VFD32, VFD36, VFD42, VFP32, VFP36, VFP42, VFP36, VFS32, VFS36, VFS42, VFP36, DLCX36, VFP36. Breckenridge Deluxe (VFD32, VFD36, VFD42), Breckenridge Premium (VFP32, VFP36, VFP42), Breckenridge Premium Multi-Sided (VFP36), Vail Premium Multi-Sided (VFP36), Loft See-Through (DLCX36), Tahoe Premium Multi-Sided (VFP36). Listing and template services provided by inkFrog.