https://www.amazon.com/Blackstone-1528-Heavy-Grill-Griddle/dp/B008RHG45S/ref=pd\_bxgy\_vft\_none\_sccl\_1/132-2982766-5886355?pd\_rd\_w=f4IHy&content-id=amzn1.sym.26a5c67f-1a30-486b-bb90-b523ad38d5a0&pf\_rd\_p=26a5c67f-1a30-486b-bb90-b523ad38d5a0&pf\_rd\_r=30WDW2A1TSD05S3NWYZ4&pd\_rd\_wg=A60zK&pd\_rd\_r=5dccc657-8aca-426f-9140-813c82dee494&pd\_rd\_i=B008RHG45S&psc=1
I bought this one, and it's a perfect fit.
https://www.amazon.com/dp/B008RHG45S?psc=1&ref=ppx\_yo2ov\_dt\_b\_product\_details