Author Topic: Duro Test F40T12 Optima 50  (Read 1527 times)
Powell
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Duro Test F40T12 Optima 50 « on: June 21, 2013, 01:29:21 AM » Author: Powell
I got 4 from Larry at Natural Lighting.There is an 800 on the lamp  number to call ( dead now of course) and says 24,000 hours.  Sylvania date code!  So I fired up a Sylvania Design 50 next to it ... NOPE not that!  Neither was the Phillips Colortone 50.  He has a few left. I think he told me he had 10 and I got 4 for the kitchen. Being Sylvania made they likely will do the 24,000 hours...... I have a Design 50 that I put in at the radio station ( well 2) and one EOLed after being put in sometime in late 2007, so I replaced both bulbs at the same time. 

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Re: Duro Test F40T12 Optima 50 « Reply #1 on: June 24, 2013, 04:00:25 PM » Author: Powell
Lamps are now installed in the 2 kitchen fixtures.....

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