![Taiwan, Province of China[a]](https://files.upgates.com/graphics/countries/tw.svg "Taiwan, Province of China[a]"){kind=small}
Whelen's family of quartz halogen PAR lamps offer two distinct features over standard incandescent PAR lamps; sustained light intensity and 10 times the average life. Tests have shown 250 hours lab life versus 25 for standard off-the-shelf lamps. This
Whelen Q4591
Multiple discount
| Pieces | 2 | 3-4 | 5 and more |
| Discount | $ 248.2425 | $ 239.61375 | $ 230.985 |
