FreshRoast SR Series300-500: Top Cap with Screen, OEMFits both SR300 and SR500 models. It will not fit models SR540 and larger. Shipping is high because of fragile packagingFeatures of FreshRoast SR Series300-500: Top Cap with Screen, OEM FreshRoast SR Series300-500: Top Cap with Screen, OEMSpecification of FreshRoast SR Series300-500: Top Cap with..