Divine (H Series) H38DF The H38 is Montigo’s most versatile fireplace in terms of style and design. The H38 is a single side direct vent fireplace characterized by a classic square viewing area. Rock or tile can be installed over the firebox frame for a clean finish look. Downloads: Brochure Brochure (French) Spec Sheet Spec Sheet (French) Installation Manual Drawing Specs at-a-glance: Max BTU (NG)26,000 Framing Width37 ¾ Framing Height42 Framing Depth21 ⅛ Glass Opening Width35 ¼ Glass Opening Height26 ⅜ Inner Vent Size5 Outer Vent Size8 CommercialNo CustomizableNo