Amazon.com.au:Customer reviews: Durolux LWL4W40-F8T5 12" 4Watts White LED T5 Tube with 4000K to Retrofit for 8W T5 Fluorescent Tube of Your Under-Cabinet Lights to get Over 50% Energy Saving! Replace Directly! F8T5-LED4W40, Silver, LWL4W40F8T5 4.00W
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I really like that they bulbs are an exact match to what I have, only LED. They seem to work good on MOST of my lights in my boat but I have one that is getting extremely hot when on. It may be the ballast in the light itself but I'm not sure. Also, in another light, they come on really nice a bright upon install but when I turn the light off and then back on it is not as bright. I don't know, again, if maybe it's within the light or if it's the bulbs. They do work though and where a lot cheaper than the florescent original bulbs too!
Reflector is aligned with the 2 contact pins on the ends. Since the tubes MUST be rotated 90° upon installation for contact and locking the light emitted is directed to the sides or the center instead of outward. The lights seem to be well made and do provide adequate illumination in my application as a overhead light in my RV.