Fits Primo Oval Junior Grill. Whether you're slow-roasting a turkey, baking chocolate chip cookies or smoking salmon, the Primo Ceramic Heat Deflector Plates will truly enrich your indirect cooking experience on a Primo grill and smoker. Set both d-shaped plates side-by-side on your Lower/Drip Pan Racks (sold separately) to quickly and easily transform the entire grill into an oven or low temperature smoker.