Genuine Dovre 250 & Huntingdon 25 Throat Plate. AKA Baffle Plate. Throat Plate – Dovre 250, Huntingdon 25. Designed to prevent rapid heat loss into the chimney, the baffle plate also protects the top casting and flue pipe from excessive temperatures. Manufactured from high grade cast iron for greater longevity, setting it apart from cheaper products on the market.