Product review (5 stars): Works great!
This is the 3rd time I have replaced the filter in the 4* years that I have owned the fridge. Cost is cheaper here and service was excellent. The GE filter actually lasts about a year depending on usage. As long as the flow is good the filter is working. Just remove filter when light first appears, give it a quick shake and rinse in the sink, re-install and reset the light. If flow is still good use it until the light illuminates again. I have not tried the generic ones but have gotten good use from the branded ones at a much better price with free shipping from Amazon.

Update: Light went on in December almost to the day from when I switched it out last. Tried the trick of removing filter, shaking it and running the opening under tap water. Re-installed the filter, re-set the light and went about my business. It is now March and the light has yet to come on, flow and taste are still good.
Could it be that the change filter light has a built in timer that comes on regardless of the condition of the filter? I'm just saying.
I will buy a new one here once I am convinced the old one actually needs replacing.