PestWest lamps are built to conform with the strict regulations which control the amount of mercury and lead used in the manufacturing of the tube, making them some of the lowest mercury bearing UVlamps on the market. The unique phosphor-mix does not require the hazardous material lead, to improve its performance. Quantum means quality. Every Quantum lamp is 100% lead-free and made with the unique tri-phosphor and low mercury blend designed specifically for peak insect attraction and long life. Choose PestWest Quantum brand to protect your customers, your reputation, your business.