Hearthstone Wood Insert Baffle Board (Morgan). The baffle board helps by holding heat in the firebox,causingthe reburn tubes to reach extremely high temperatures. It also stops the flue gases from quickly exiting the stove and forces them to travel across the tubes allowing reburn to take place.

Material: Ceramic fiber alternative board which, unlike ceramic fiber, is not classified as carcinogenic or hazardous. Board is hard, strong, withstands 2100F, and is rigidized grey for added durability. Material is comparable to Superwool Plus, SuperMag, and Insulfrax.