Here at iLighting we keep a large stock of High Pressure Sodium HID lamps. Our selection of stock comes from a range of different premier quality brands, in wattages ranging from 35 watts all the way up to 1500 watts. We also have a sub-category dedicated to HPS Horticulture and Grow Bulbs. The products in this section have a light output ranging from 2,250 lumens all the way up to 206,000 lumens and output a yellow light at a very low color temperature. You'll often find our HPS bulbs in warehouses, construction sites, parking areas and even inside gymnasiums. So feel free to browse through and find the right product for you, and please do not hesitate to get in contact with us if you have any questions. Our team of experts are waiting to help you out with whatever you need.