Manufacturer's Number: KCDS250X Continuous-Feed System Anti-Jam Automatic Reversing Action 1725 RPM 2-Piece Stainless Steel Stopper Reset Overload Protector 42 oz. Chamber Capacity Dishwasher Connection Stainless Steel Grind Chamber, Drain Chamber, Swivel Impellers, Shredder Ring, Grind Wheel, and Sink Flange Whisper Quiet™ Polystyrene Sound Barrier 7 Year Full Warranty