Astria 40 inch Marin See-Through B-Vent Fireplace Marin40STMN40 inch Astria Marin See Through B Vent Fireplace Marin40STMN Product Details The Marin40ST gas B vent fireplace offers a see through configuration that serves as a primary focal point for multiple rooms. With an exceptional glass viewing area and the intense flame presentation of a powerful pan burner, the Marin40ST creates a beautiful, natural looking fire that enhances the comfort and elegance of several rooms. Features: Available in a 40 see