Spark Modern Fires. The Direct Vent Slim 46-inch gas fireplace is designed to hang on the wall, and features a 46-by-12-inch viewing area for visual impact. With a depth of just 8 inches, the fireplace offers a lean profile that saves space, installation time, and cost of installation. The unit can be vented through an outside wall or through the roof, and as a hanging unit, does not require extensive cut-outs or framing. The Direct Vent Slim 46 features a porcelain enamel interior, and the maker’s signature fire ribbon is showcased by stainless steel or black satin surrounds. A fully programmable thermostatic remote is also included. 866.938.3846.