The HPL is the standard lamp for ETC's Source Four ellipsoidals.
Product Features:
- New ceramic heat sink base maintains its resistance to electric conductivity over the life of the lamp
- Unique compact four & six filament design for more efficient light collection
- Standard and Long Life versions provide increased light output
- USHIO has the largest selection of voltages and wattages
- High efficiency (28.5 lumens per watt average)
- Increased fixture light output of up to 20%