Sylvania 58766 500Q/CL/MC(EVR) 120V - Halogen - 500W - 120V - E11 Base - 12ct ultraviolet-atlantic-ultraviolet-bio-3-0-esi5300448 This difference is most significant

This difference is most significant when producing water for drinking or swimming

which is ideal for highly effective disinfection

Philips LTI Lighting Standard Xenon lamps offer long life and trouble-free operation backed by the best customer support in the industry

and dimming possible down to 10%

This product is an Atlantic Ultraviolet High Intensity Ultraviolet Lamp

Sylvania 58766 500Q/CL/MC(EVR) 120V - Halogen - 500W - 120V - E11 Base - 12ct ultraviolet-atlantic-ultraviolet-bio-3-0-esi5300448 This difference is most significantThis product is a Sylvania 58766 500Q CL MC(EVR) 120V halogen light bulb. Tungsten Halogen Single End SUPER Q Clear Finish Mini Can 500 Watt 120 Volt (EVR).