Transform your Genesis 400 gas grill into a versatile cooking station with the Weber Rust-Resistant Griddle Insert! This carbon steel wonder snaps into place in seconds, turning your entire grilling surface into a sizzling griddle paradise. Whip up breakfast favorites or dinner delights with edge-to-edge heat that'll make restaurant chefs jealous. The clever grease management system keeps messes at bay while you flip, sauté, and sear your way to culinary greatness. Why buy another cooking appliance when your trusty Weber can do double duty? Time to get your griddle groove on!