This LED NSF High Bay is the ideal pick for tough environments that get oily, smoky, and dusty. Certified by NSF (with an IP69K rating!), it's dust-proof & steam-jet proof. Plus, its sleek shell prevents moisture & bacteria buildup, while the stainless steel mounting ring protects against corrosion from salt and chemicals. As opposed to HID, metal halide, or fluorescent bulbs, this LED NSF High Bay emits 21000 lumens with a 70% energy savings. And no worries—it's got a 50,000 hour life expectancy & 5 year warranty! Enjoy countless years of bright light, minimal upkeep, & huge energy savings.