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%