The TurboChef RWD-9191 Oven Foil Pack is a vent catalyst component designed for compatible commercial rapid-cook ovens. It forms part of the oven’s venting system and supports the treatment of vapors generated during cooking. The foil pack is identified as a Vent Catalyst Foil Pack in parts documentation and is used in compatible oven assemblies, including selected i5 configurations.... https://partsfe.com/foil-pack-for-turbo-chef-part-rwd-9191