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Ott-Lite 13 Watt Replacement Tube - Electronic Ballast
Ott-Lite 13 Watt Replacement Tube - Electronic Ballast

Part Number:
OTT-T1333E

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Description:
See Clearly and Comfortably - PL Bulb Type E - Electronic Ballast
The older 13 Watt Replacement Tube is for lamps with a magnetic ballast. To keep it simple, we'll call this tube Option 1.
The newer kind of tube is used with lamps that have an electronic ballast. We'll call them Option 2.

How do you tell the difference? Glad you asked! We've put together this handy-dandy guide to help:
1. When did you buy your lamp?
Before January 2008 ? Option 1 This is not the right replacement bulb for you, use OTT-T13330

After January 2008 ?
2. Is there an E on your tube, or bulb box? Note that there are two places the E might appear.
Yes? ? This is the right bulb
No? ? Option 1. This is not the right replacement bulb for you, use OTT-T13330