Quick view Add to Cart Forespar MareLube TEF45 Max PTFE Heavy Load Lubricant - 4 oz. $42.95 $33.99 MareLube TEF45 Max PTFE Heavy Load Lubricant - 4 oz.Marelube is Forespar's new family of three specifically formulated synthetic lubricants designed for various uses around your boat. Each contains PTFE and they work equally well in fresh or salt water... Add to Cart