Rutland Products ""Rtv"" Silicone Sealant Cartridge, Black, 10.3 fl oz

Rutland 600°F RTV High Heat Silicone, High Temperature Sealant, Black, 10.3 oz Cartridge

3M High Temperature Flue Tape, High Heat Sealing Tape up to 600 degrees, 1.5' in x 15" ft Roll, Stops leaks from hot air ducts, Made in the USA, Silver (2113NA)

Rutland 500°F RTV High Heat Silicone, High Temperature Sealant, Made in USA, Clear, 10.3 oz Cartridge