A high-viscosity, non-petroleum based compound specially engineered to provide the ultimate in sealing the air gap between the filter rim and flange Designed to withstand temperatures up to 300?F (EU: 148,89 ?C) , it remains waterproof and dust-proof, keeping damaging dust and water from being drawn past your filter 100% biodegradable and waterproof Cleans easily with water and No-Toil cleaner. FILTER GREASE NT 4 OZ