Question 1

GE water filter "RPWF"...

Accepted Answer

No doubt the filter's life depends on your water supply and GE likes getting $50 for a $15 filter. 
I change mine when I notice an "off" taste in the ice and ignore the light.

Question 2

Will this fit my French door GE?

Accepted Answer

My GE refrigerator is GFE28HGHWW.  It was installed by the local dealer with RPWFE water filter.  The Quick Use & Care Manual shows how to install it, but gives no information about the filter model and when to change it.  What I have deduced is that at initial turn-on a 6-month clock is started, but not visible.  At 6-months the display shows a message to change the filter.  If you do not do that, the display will start to count up days overdue.  It does this for 99 days and then stops counting, although water is still available OK via the over-used filter.  The new filter must be RPWFE because it has a RFID electronic chip taped to its back side.  The chip is about 1/4" diameter and it talks to the refrigerator electronics, resets the display and starts a new 6-month clock.  The display cannot be reset manually.  The new filter must be installed with the front side facing outwards, so that the chip on the backside interfaces properly with the electronics.  A RPWF filter (without the E) looks exactly the same, installs exactly the same, but does not work - the water feed system shuts down.  The answer to your question is if your refrigerator came with a RPWFE filter, then its replacement must also be RPWFE.  You should check what is installed now by opening the filter door and looking at the filter label.  Replace it with exactly the same filter.

Question 3

Does this filter have rfid chip on it?

Accepted Answer

Yes.

I would not use an after-market filter. But if you don’t want to use this filter, you can buy a bypass plug from GE for $7.30 (WR17X22064).

Question 4

Does it say what it is NSF certified for?

Accepted Answer

NSF used to mean National Sanitation Foundation, go to http://www.nsf.org/about-nsf/

ASIN	B009PCI2JU
Best Sellers Rank	#18 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #4 in In-Refrigerator Water Filters
Brand Name	GE
Customer Reviews	4.6 4.6 out of 5 stars (57,728)
External Testing Certification	NSF 53 – Reduces contaminants with health effects
Global Trade Identification Number	00084691808497
Included Components	Replacement RPWFE Refrigerator Water Filter
Item Dimensions D x W x H	1.62"D x 1.62"W x 9.75"H
Item Type Name	\| Certified to Reduce Lead, Sulfer, and 50+ Other Impurities \| Replace Every 6 Months for Best Results \| Pack of 1
Item Weight	0.4 Pounds
Manufacturer	GE Appliances
Manufacturer Part Number	RPWFE
Manufacturer Warranty Description	Limited one year warranty
Material Type	Plastic
Model Number	RPWFE
Number of Items	1
Product Benefits	Certified to reduce chlorine-resistant cysts, lead, select pharmaceuticals and 50 other impurities
Set Name	Single
UPC	084691808497
Unit Count	1 Count

GE RPWFE Refrigerator Water Filter, Genuine Replacement Filter, Certified to Reduce Lead, Sulfur, and 50+ Other Impurities, Replace Every 6 Months for Best Results, Pack of 1

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