LARGE INDIRECT HEAT ZONE: More space for cooking BBQ classics low & slow or roasting veggies without the direct flame. FEED A CROWD: Double your indirect cooking capacity – fits 3 racks of ribs, 18 potatoes, or 15 ears of corn. DURABLE CONSTRUCTION: Stainless steel rack provides a stable cooking surface for food loads up to 15 lbs. COMPATIBILITY: Built to exclusively fit PG300 series. Easily swap out the top rack with the expandable roast & smoke rack. WHAT’S INCLUDED: 1 Ninja FlexFlame Upgrades Expandable Roast & Smoke Rack.