The Isokern Magnum 28" fireplace is designed for indoor or outdoor use, supporting wood, natural gas, or liquid propane. Built from lightweight modular pumice, it delivers a dramatic flame display, modular assembly, and long-lasting durability. Its compact 28" size makes it an excellent choice for smaller spaces without compromising performance. Note: Non-combustible base is required for safe installation (examples: concrete slab, cement board platform, stone or brick hearth) Applications: Indoor or outdoor installations Multi-Sided Configurations available (see-through, corner) Fire-Lite Application supported for combustible floors (requires Fire-Lite stand) Eco-Friendly: Up to 80% carbon emission reduction with GreenTech Technology Rough Opening: 61½" W × 29½" D × 38½" H Firebox Opening: 60¼" W × 28½" H Fireplace unit (modular pumice construction) Draft kit (channel + down-draft diverter; packaged with unit) Firebrick Liners (required):Running Bond (R): 100 pcs Full/Split, 200 pcs SoapstoneHerringbone (H): 120 pcs Full/Split, 240 pcs Soapstone Running Bond (R): 100 pcs Full/Split, 200 pcs Soapstone Herringbone (H): 120 pcs Full/Split, 240 pcs Soapstone Adhesives & Mortar:Earthcore Adhesive, 5 Gal Bucket - MP50Isoset Firebrick Mortar, 50 lb - ISO-SET-BRICK Earthcore Adhesive, 5 Gal Bucket - MP50 Isoset Firebrick Mortar, 50 lb - ISO-SET-BRICK Chimney / Venting System (choose one):DM54 Masonry Chimney Kit - Traditional masonry flue systemEco-Steel Chimney System - Air-cooled prefabricated steel kitEco-Steel+ Chimney System - Fully insulated prefabricated steel kit DM54 Masonry Chimney Kit - Traditional masonry flue system Eco-Steel Chimney System - Air-cooled prefabricated steel kit Eco-Steel+ Chimney System - Fully insulated prefabricated steel kit Gas Burner & Log Sets:24" Vented 3 Burner NG w/ Battery Electronic Remote & LP Conversion KitCompatible Log Sets: AZ Weathered Oak, AZ Weathered Oak Charred 18, Western Driftwood, Arizona Juniper & Quaking Aspen 24" Vented 3 Burner NG w/ Battery Electronic Remote & LP Conversion Kit Compatible Log Sets: AZ Weathered Oak, AZ Weathered Oak Charred 18, Western Driftwood, Arizona Juniper & Quaking Aspen Outside Air Kits: OAKB, OAKS, OAKX → Provide combustion air from outside Dampers: DMPR33, E-33 → Control airflow and draft Wood Grates: XB-24 → Holds wood safely inside firebox Decorative terminations / chimney caps