Check the listing for details. Meeco's Red Devil Silicone Hi-Temp Sealant. Condition: New. Listed at 23.24 USD. 100-Percent RTV Silicone Sealant that forms a tough rubbery adhesive seal and maintains integrity at 450-Degree F continuously and 500-Degree F intermittently. Ideal for sealing pellet stove flues and gas appliance vent pipes. Indoor and outdoor use. Adheres to metal, glass, plastic, fiberglass, aluminum, wood, brick and slate. Clear in color. 100-Percent RTV Silicone Sealant that forms a tough rubbery adhesive seal and maintains integrity at 450-Degree F continuously and 500-Degree F intermittently. Ideal for sealing pellet stove flues and gas appliance vent pipes. Indoor and outdoor use. Adheres to metal, glass, plastic, fiberglass, aluminum, wood, brick and slate. Clear in color.Ideal for sealing pellet stove fluesIdeal for sealing gas appliance vent pipeWithstands temperatures of 450-Degree F continuously and 500-Degree F intermittentlyClear in colorMade in the USA