HFL-1 is a food-grade grease for our gears. It provides 10% to 15% increased efficiency compared to conventional food-grade greases. It's NSF H1 certified for use in food processing machines. HFL-1 delivers the same efficiency as our SK-1A grease. You can get it in 80 g and 400 g bellows bottles and 1 Kg and 2.5 Kg containers.