26 times the life of average bulbs saving labor & replacement costs;Brass base eliminates corrosion and prevents base from sticking in socket;5 support wires to help provide long life with excellent resistance to vibration and shock;Special rare Krypton gas mixture reduces heat and prolongs filament life;Made in the USA

• Aero-Tech ULA-93 20,000 Hour 40-Watt A-19 Frosted Rough Service Incandescent Bulb,
• 40-Watt
• Frosted

Aero-Tech ULA-93 20,000 Hour 40-Watt A-19 Frosted Rough Service Incandescent Bulb,Aero-Tech